232123139 has 2 divisors, whose sum is σ = 232123140. Its totient is φ = 232123138.

The previous prime is 232123039. The next prime is 232123147. The reversal of 232123139 is 931321232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232123139 - 2⁸ = 232122883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232123039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116061569 + 116061570.

It is an arithmetic number, because the mean of its divisors is an integer number (116061570).

Almost surely, 2^232123139 is an apocalyptic number.

232123139 is a deficient number, since it is larger than the sum of its proper divisors (1).

232123139 is an equidigital number, since it uses as much as digits as its factorization.

232123139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 232123139 is about 15235.5879112032. The cubic root of 232123139 is about 614.5720591335.

The spelling of 232123139 in words is "two hundred thirty-two million, one hundred twenty-three thousand, one hundred thirty-nine".