232133144 has 16 divisors (see below), whose sum is σ = 445866120. Its totient is φ = 113235520.

The previous prime is 232133137. The next prime is 232133149. The reversal of 232133144 is 441331232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232133149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353534 + ... + 354189.

Almost surely, 2^232133144 is an apocalyptic number.

It is an amenable number.

232133144 is a deficient number, since it is larger than the sum of its proper divisors (213732976).

232133144 is a wasteful number, since it uses less digits than its factorization.

232133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707770 (or 707766 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 232133144 is about 15235.9162507543. The cubic root of 232133144 is about 614.5808887934.

Adding to 232133144 its reverse (441331232), we get a palindrome (673464376).

The spelling of 232133144 in words is "two hundred thirty-two million, one hundred thirty-three thousand, one hundred forty-four".