23220424044 has 18 divisors (see below), whose sum is σ = 58696071980. Its totient is φ = 7740141336.

The previous prime is 23220424027. The next prime is 23220424057. The reversal of 23220424044 is 44042402232.

23220424044 is a `hidden beast` number, since 232 + 2 + 0 + 424 + 0 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 23220423999 and 23220424017.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322505854 + ... + 322505925.

Almost surely, 2^23220424044 is an apocalyptic number.

It is an amenable number.

23220424044 is an abundant number, since it is smaller than the sum of its proper divisors (35475647936).

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

23220424044 is a wasteful number, since it uses less digits than its factorization.

23220424044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645011789 (or 645011784 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 23220424044 its reverse (44042402232), we get a palindrome (67262826276).

The spelling of 23220424044 in words is "twenty-three billion, two hundred twenty million, four hundred twenty-four thousand, forty-four".