23151531034044 has 96 divisors (see below), whose sum is σ = 71579612912640. Its totient is φ = 6327126489024.

The previous prime is 23151531034039. The next prime is 23151531034123. The reversal of 23151531034044 is 44043013515132.

23151531034044 is a `hidden beast` number, since 2 + 3 + 1 + 51 + 531 + 0 + 34 + 0 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665715619 + ... + 665750394.

It is an arithmetic number, because the mean of its divisors is an integer number (745620967840).

Almost surely, 2^{23151531034044} is an apocalyptic number.

It is an amenable number.

23151531034044 is an abundant number, since it is smaller than the sum of its proper divisors (48428081878596).

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

23151531034044 is a wasteful number, since it uses less digits than its factorization.

23151531034044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331466056 (or 1331466048 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 23151531034044 its reverse (44043013515132), we get a palindrome (67194544549176).

The spelling of 23151531034044 in words is "twenty-three trillion, one hundred fifty-one billion, five hundred thirty-one million, thirty-four thousand, forty-four".