23231023444 has 6 divisors (see below), whose sum is σ = 40654291034. Its totient is φ = 11615511720.

The previous prime is 23231023427. The next prime is 23231023579. The reversal of 23231023444 is 44432013232.

It can be written as a sum of positive squares in only one way, i.e., 21789302544 + 1441720900 = 147612^2 + 37970^2 .

It is a super-2 number, since 2×23231023444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2903877927 + ... + 2903877934.

Almost surely, 2^23231023444 is an apocalyptic number.

It is an amenable number.

23231023444 is a deficient number, since it is larger than the sum of its proper divisors (17423267590).

23231023444 is a wasteful number, since it uses less digits than its factorization.

23231023444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807755865 (or 5807755863 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23231023444 its reverse (44432013232), we get a palindrome (67663036676).

The spelling of 23231023444 in words is "twenty-three billion, two hundred thirty-one million, twenty-three thousand, four hundred forty-four".