23402311602561 has 24 divisors (see below), whose sum is σ = 35851296102336. Its totient is φ = 14678570348640.

The previous prime is 23402311602539. The next prime is 23402311602563. The reversal of 23402311602561 is 16520611320432.

23402311602561 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 2 + 31 + 1 + 60 + 2 + 561 = 666.

It is not a de Polignac number, because 23402311602561 - 2¹³ = 23402311594369 is a prime.

It is a super-2 number, since 2×23402311602561² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23402311602563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926664795 + ... + 926690048.

It is an arithmetic number, because the mean of its divisors is an integer number (1493804004264).

Almost surely, 2^{23402311602561} is an apocalyptic number.

It is an amenable number.

23402311602561 is a deficient number, since it is larger than the sum of its proper divisors (12448984499775).

23402311602561 is a wasteful number, since it uses less digits than its factorization.

23402311602561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853354933 (or 1853354930 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 23402311602561 its reverse (16520611320432), we get a palindrome (39922922922993).

The spelling of 23402311602561 in words is "twenty-three trillion, four hundred two billion, three hundred eleven million, six hundred two thousand, five hundred sixty-one".