23612563668 has 12 divisors (see below), whose sum is σ = 55095981920. Its totient is φ = 7870854552.

The previous prime is 23612563621. The next prime is 23612563697. The reversal of 23612563668 is 86636521632.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23612563668² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983856808 + ... + 983856831.

Almost surely, 2^23612563668 is an apocalyptic number.

It is an amenable number.

23612563668 is an abundant number, since it is smaller than the sum of its proper divisors (31483418252).

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

23612563668 is a wasteful number, since it uses less digits than its factorization.

23612563668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967713646 (or 1967713644 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The spelling of 23612563668 in words is "twenty-three billion, six hundred twelve million, five hundred sixty-three thousand, six hundred sixty-eight".