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23234331221240 = 2351973418787513
BaseRepresentation
bin1010100100001101010100…
…00011110001110011111000
310001021011212111021012112212
411102012222003301303320
511021132402243034430
6121225412052554252
74615424246551016
oct522065203616370
9101234774235485
1023234331221240
117448696290627
122732b76622988
13cc6cac9291a9
145a47949b38b6
152a45a1a27b95
hex1521aa0f1cf8

23234331221240 has 64 divisors (see below), whose sum is σ = 55782496864800. Its totient is φ = 8683977848832.

The previous prime is 23234331221219. The next prime is 23234331221243. The reversal of 23234331221240 is 4212213343232.

23234331221240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 23234331221197 and 23234331221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23234331221243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209338277 + ... + 209449236.

Almost surely, 223234331221240 is an apocalyptic number.

23234331221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23234331221240 is an abundant number, since it is smaller than the sum of its proper divisors (32548165643560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23234331221240 is a wasteful number, since it uses less digits than its factorization.

23234331221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418787616 (or 418787612 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 23234331221240 its reverse (4212213343232), we get a palindrome (27446544564472).

The spelling of 23234331221240 in words is "twenty-three trillion, two hundred thirty-four billion, three hundred thirty-one million, two hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 73 76 95 146 152 190 292 365 380 584 730 760 1387 1460 2774 2920 5548 6935 11096 13870 27740 55480 418787513 837575026 1675150052 2093937565 3350300104 4187875130 7956962747 8375750260 15913925494 16751500520 30571488449 31827850988 39784813735 61142976898 63655701976 79569627470 122285953796 152857442245 159139254940 244571907592 305714884490 318278509880 580858280531 611429768980 1161716561062 1222859537960 2323433122124 2904291402655 4646866244248 5808582805310 11617165610620 23234331221240