23431360620556 has 12 divisors (see below), whose sum is σ = 46862721241168. Its totient is φ = 10042011694512.

The previous prime is 23431360620553. The next prime is 23431360620559. The reversal of 23431360620556 is 65502606313432.

It is an interprime number because it is at equal distance from previous prime (23431360620553) and next prime (23431360620559).

23431360620556 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (23431360620553) 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, 418417153911 + ... + 418417153966.

Almost surely, 2^{23431360620556} is an apocalyptic number.

It is an amenable number.

23431360620556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23431360620556 is a wasteful number, since it uses less digits than its factorization.

23431360620556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836834307888 (or 836834307886 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

Adding to 23431360620556 its reverse (65502606313432), we get a palindrome (88933966933988).

The spelling of 23431360620556 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred sixty million, six hundred twenty thousand, five hundred fifty-six".