23578157328 has 80 divisors (see below), whose sum is σ = 68068268352. Its totient is φ = 6970624000.

The previous prime is 23578157321. The next prime is 23578157353. The reversal of 23578157328 is 82375187532.

It is not an unprimeable number, because it can be changed into a prime (23578157321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522933 + ... + 566228.

Almost surely, 2^23578157328 is an apocalyptic number.

It is an amenable number.

23578157328 is an abundant number, since it is smaller than the sum of its proper divisors (44490111024).

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

23578157328 is a wasteful number, since it uses less digits than its factorization.

23578157328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089224 (or 1089218 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 23578157328 in words is "twenty-three billion, five hundred seventy-eight million, one hundred fifty-seven thousand, three hundred twenty-eight".