23154631564 has 12 divisors (see below), whose sum is σ = 41184877888. Its totient is φ = 11387523600.

The previous prime is 23154631543. The next prime is 23154631589. The reversal of 23154631564 is 46513645132.

It is a super-2 number, since 2×23154631564² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47447772 + ... + 47448259.

Almost surely, 2^23154631564 is an apocalyptic number.

It is an amenable number.

23154631564 is a deficient number, since it is larger than the sum of its proper divisors (18030246324).

23154631564 is a wasteful number, since it uses less digits than its factorization.

23154631564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94896096 (or 94896094 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The spelling of 23154631564 in words is "twenty-three billion, one hundred fifty-four million, six hundred thirty-one thousand, five hundred sixty-four".