23423614664 has 8 divisors (see below), whose sum is σ = 43919277510. Its totient is φ = 11711807328.

The previous prime is 23423614661. The next prime is 23423614673. The reversal of 23423614664 is 46641632432.

It can be written as a sum of positive squares in only one way, i.e., 22362809764 + 1060804900 = 149542^2 + 32570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23423614661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1463975909 + ... + 1463975924.

Almost surely, 2^23423614664 is an apocalyptic number.

It is an amenable number.

23423614664 is a deficient number, since it is larger than the sum of its proper divisors (20495662846).

23423614664 is a wasteful number, since it uses less digits than its factorization.

23423614664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927951839 (or 2927951835 counting only the distinct ones).

The product of its digits is 497664, while the sum is 41.

The spelling of 23423614664 in words is "twenty-three billion, four hundred twenty-three million, six hundred fourteen thousand, six hundred sixty-four".