231433023004 has 24 divisors (see below), whose sum is σ = 422936968608. Its totient is φ = 110601511680.

The previous prime is 231433022993. The next prime is 231433023007. The reversal of 231433023004 is 400320334132.

231433023004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231433023004² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231433023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231433023007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830617 + ... + 1073680.

It is an arithmetic number, because the mean of its divisors is an integer number (17622373692).

Almost surely, 2^231433023004 is an apocalyptic number.

It is an amenable number.

231433023004 is a deficient number, since it is larger than the sum of its proper divisors (191503945604).

231433023004 is a wasteful number, since it uses less digits than its factorization.

231433023004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905645 (or 1905643 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 231433023004 its reverse (400320334132), we get a palindrome (631753357136).

The spelling of 231433023004 in words is "two hundred thirty-one billion, four hundred thirty-three million, twenty-three thousand, four".