232938321 has 48 divisors (see below), whose sum is σ = 395126784. Its totient is φ = 118584000.

The previous prime is 232938317. The next prime is 232938323. The reversal of 232938321 is 123839232.

It is not a de Polignac number, because 232938321 - 2² = 232938317 is a prime.

It is a super-2 number, since 2×232938321² = 108520522780598082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232938323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 859416 + ... + 859686.

It is an arithmetic number, because the mean of its divisors is an integer number (8231808).

Almost surely, 2^232938321 is an apocalyptic number.

232938321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232938321 is a deficient number, since it is larger than the sum of its proper divisors (162188463).

232938321 is a wasteful number, since it uses less digits than its factorization.

232938321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 353 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 232938321 is about 15262.3170259302. The cubic root of 232938321 is about 615.2906472052.

The spelling of 232938321 in words is "two hundred thirty-two million, nine hundred thirty-eight thousand, three hundred twenty-one".