23107528278 has 48 divisors (see below), whose sum is σ = 51717833856. Its totient is φ = 7448780160.

The previous prime is 23107528237. The next prime is 23107528331. The reversal of 23107528278 is 87282570132.

23107528278 is a `hidden beast` number, since 231 + 0 + 75 + 282 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819226 + ... + 846962.

It is an arithmetic number, because the mean of its divisors is an integer number (1077454872).

Almost surely, 2^23107528278 is an apocalyptic number.

23107528278 is an abundant number, since it is smaller than the sum of its proper divisors (28610305578).

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

23107528278 is a wasteful number, since it uses less digits than its factorization.

23107528278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29269 (or 29266 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 23107528278 in words is "twenty-three billion, one hundred seven million, five hundred twenty-eight thousand, two hundred seventy-eight".