232113321 has 24 divisors (see below), whose sum is σ = 375645504. Its totient is φ = 136870560.

The previous prime is 232113319. The next prime is 232113347. The reversal of 232113321 is 123311232.

232113321 is a `hidden beast` number, since 232 + 113 + 321 = 666.

It is not a de Polignac number, because 232113321 - 2¹ = 232113319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232113294 and 232113303.

It is not an unprimeable number, because it can be changed into a prime (232113311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28021 + ... + 35346.

It is an arithmetic number, because the mean of its divisors is an integer number (15651896).

Almost surely, 2^232113321 is an apocalyptic number.

It is an amenable number.

232113321 is a deficient number, since it is larger than the sum of its proper divisors (143532183).

232113321 is a wasteful number, since it uses less digits than its factorization.

232113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63421 (or 63418 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 232113321 is about 15235.2657016542. The cubic root of 232113321 is about 614.5633942591.

Adding to 232113321 its reverse (123311232), we get a palindrome (355424553).

The spelling of 232113321 in words is "two hundred thirty-two million, one hundred thirteen thousand, three hundred twenty-one".