23022858644 has 12 divisors (see below), whose sum is σ = 40291471668. Its totient is φ = 11511009600.

The previous prime is 23022858611. The next prime is 23022858659. The reversal of 23022858644 is 44685822032.

It can be written as a sum of positive squares in 2 ways, for example, as 12401495044 + 10621363600 = 111362^2 + 103060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23022858595 and 23022858604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41054 + ... + 218474.

It is an arithmetic number, because the mean of its divisors is an integer number (3357622639).

Almost surely, 2^23022858644 is an apocalyptic number.

It is an amenable number.

23022858644 is a deficient number, since it is larger than the sum of its proper divisors (17268613024).

23022858644 is a wasteful number, since it uses less digits than its factorization.

23022858644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209866 (or 209864 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 23022858644 in words is "twenty-three billion, twenty-two million, eight hundred fifty-eight thousand, six hundred forty-four".