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23130230223 = 310970734649
BaseRepresentation
bin10101100010101010…
…110100110111001111
32012200222121102212110
4111202222310313033
5334332314331343
614343105035103
71446121466352
oct254252646717
965628542773
1023130230223
11989a459351
124596325a93
132248058679
141195d0c299
15905986833
hex562ab4dcf

23130230223 has 8 divisors (see below), whose sum is σ = 31123246000. Its totient is φ = 15278683968.

The previous prime is 23130230191. The next prime is 23130230231. The reversal of 23130230223 is 32203203132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23130230223 - 25 = 23130230191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23130230223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130234223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35366998 + ... + 35367651.

It is an arithmetic number, because the mean of its divisors is an integer number (3890405750).

Almost surely, 223130230223 is an apocalyptic number.

23130230223 is a deficient number, since it is larger than the sum of its proper divisors (7993015777).

23130230223 is a wasteful number, since it uses less digits than its factorization.

23130230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70734761.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23130230223 its reverse (32203203132), we get a palindrome (55333433355).

The spelling of 23130230223 in words is "twenty-three billion, one hundred thirty million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 109 327 70734649 212203947 7710076741 23130230223