23115205522928 has 40 divisors (see below), whose sum is σ = 44800741944000. Its totient is φ = 11553724479744.

The previous prime is 23115205522901. The next prime is 23115205522931. The reversal of 23115205522928 is 82922550251132.

It is a super-2 number, since 2×23115205522928² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686321993 + ... + 686355671.

It is an arithmetic number, because the mean of its divisors is an integer number (1120018548600).

Almost surely, 2^{23115205522928} is an apocalyptic number.

It is an amenable number.

23115205522928 is a deficient number, since it is larger than the sum of its proper divisors (21685536421072).

23115205522928 is a wasteful number, since it uses less digits than its factorization.

23115205522928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46809 (or 46803 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 23115205522928 in words is "twenty-three trillion, one hundred fifteen billion, two hundred five million, five hundred twenty-two thousand, nine hundred twenty-eight".