23314564644 has 24 divisors (see below), whose sum is σ = 62172172608. Its totient is φ = 6661304160.

The previous prime is 23314564633. The next prime is 23314564681. The reversal of 23314564644 is 44646541332.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 23314564596 and 23314564605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138777087 + ... + 138777254.

It is an arithmetic number, because the mean of its divisors is an integer number (2590507192).

Almost surely, 2^23314564644 is an apocalyptic number.

It is an amenable number.

23314564644 is an abundant number, since it is smaller than the sum of its proper divisors (38857607964).

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

23314564644 is a wasteful number, since it uses less digits than its factorization.

23314564644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277554355 (or 277554353 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The spelling of 23314564644 in words is "twenty-three billion, three hundred fourteen million, five hundred sixty-four thousand, six hundred forty-four".