23230521562 has 4 divisors (see below), whose sum is σ = 34845782346. Its totient is φ = 11615260780.

The previous prime is 23230521557. The next prime is 23230521569. The reversal of 23230521562 is 26512503232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16550565201 + 6679956361 = 128649^2 + 81731^2 .

It is not an unprimeable number, because it can be changed into a prime (23230521569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807630389 + ... + 5807630392.

Almost surely, 2^23230521562 is an apocalyptic number.

23230521562 is a deficient number, since it is larger than the sum of its proper divisors (11615260784).

23230521562 is a wasteful number, since it uses less digits than its factorization.

23230521562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615260783.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 23230521562 in words is "twenty-three billion, two hundred thirty million, five hundred twenty-one thousand, five hundred sixty-two".