232313121 has 12 divisors (see below), whose sum is σ = 344633172. Its totient is φ = 150689376.

The previous prime is 232313119. The next prime is 232313131. The reversal of 232313121 is 121313232.

232313121 is a `hidden beast` number, since 232 + 313 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 165482496 + 66830625 = 12864^2 + 8175^2 .

It is not a de Polignac number, because 232313121 - 2¹ = 232313119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232313094 and 232313103.

It is not an unprimeable number, because it can be changed into a prime (232313131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348486 + ... + 349151.

It is an arithmetic number, because the mean of its divisors is an integer number (28719431).

Almost surely, 2^232313121 is an apocalyptic number.

It is an amenable number.

232313121 is a deficient number, since it is larger than the sum of its proper divisors (112320051).

232313121 is a wasteful number, since it uses less digits than its factorization.

232313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697680 (or 697677 counting only the distinct ones).

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

The square root of 232313121 is about 15241.8214462708. The cubic root of 232313121 is about 614.7396796335.

Adding to 232313121 its reverse (121313232), we get a palindrome (353626353).

The spelling of 232313121 in words is "two hundred thirty-two million, three hundred thirteen thousand, one hundred twenty-one".