232012813 has 2 divisors, whose sum is σ = 232012814. Its totient is φ = 232012812.

The previous prime is 232012801. The next prime is 232012831. The reversal of 232012813 is 318210232.

232012813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (232012831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228674884 + 3337929 = 15122^2 + 1827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232012813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232013813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116006406 + 116006407.

It is an arithmetic number, because the mean of its divisors is an integer number (116006407).

Almost surely, 2^232012813 is an apocalyptic number.

It is an amenable number.

232012813 is a deficient number, since it is larger than the sum of its proper divisors (1).

232012813 is an equidigital number, since it uses as much as digits as its factorization.

232012813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 232012813 is about 15231.9668132517. The cubic root of 232012813 is about 614.4746768817.

The spelling of 232012813 in words is "two hundred thirty-two million, twelve thousand, eight hundred thirteen".