232904137 has 2 divisors, whose sum is σ = 232904138. Its totient is φ = 232904136.

The previous prime is 232904123. The next prime is 232904167. The reversal of 232904137 is 731409232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206525641 + 26378496 = 14371^2 + 5136^2 .

It is a cyclic number.

It is not a de Polignac number, because 232904137 - 2¹⁵ = 232871369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232904099 and 232904108.

It is not a weakly prime, because it can be changed into another prime (232904107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116452068 + 116452069.

It is an arithmetic number, because the mean of its divisors is an integer number (116452069).

Almost surely, 2^232904137 is an apocalyptic number.

It is an amenable number.

232904137 is a deficient number, since it is larger than the sum of its proper divisors (1).

232904137 is an equidigital number, since it uses as much as digits as its factorization.

232904137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 232904137 is about 15261.1971024556. The cubic root of 232904137 is about 615.2605474999.

The spelling of 232904137 in words is "two hundred thirty-two million, nine hundred four thousand, one hundred thirty-seven".