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23321044240231 = 181112877440221
BaseRepresentation
bin1010100110101110110101…
…00011101100011101100111
310001120110200200002222101211
411103113122203230131213
511024042444311141411
6121333312333532251
74624614134214403
oct523273243543547
9101513620088354
1023321044240231
11748144354a191
122747936644087
13100221b776b9a
145a8a5d124103
152a6979524221
hex1535da8ec767

23321044240231 has 4 divisors (see below), whose sum is σ = 23333921682264. Its totient is φ = 23308166798200.

The previous prime is 23321044240201. The next prime is 23321044240253. The reversal of 23321044240231 is 13204244012332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23321044240231 - 215 = 23321044207463 is a prime.

It is a super-2 number, since 2×233210442402312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23321044240193 and 23321044240202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321044240201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6438718300 + ... + 6438721921.

It is an arithmetic number, because the mean of its divisors is an integer number (5833480420566).

Almost surely, 223321044240231 is an apocalyptic number.

23321044240231 is a deficient number, since it is larger than the sum of its proper divisors (12877442033).

23321044240231 is a wasteful number, since it uses less digits than its factorization.

23321044240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12877442032.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 23321044240231 its reverse (13204244012332), we get a palindrome (36525288252563).

The spelling of 23321044240231 in words is "twenty-three trillion, three hundred twenty-one billion, forty-four million, two hundred forty thousand, two hundred thirty-one".

Divisors: 1 1811 12877440221 23321044240231