323133137 has 2 divisors, whose sum is σ = 323133138. Its totient is φ = 323133136.

The previous prime is 323133091. The next prime is 323133149. The reversal of 323133137 is 731331323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319658641 + 3474496 = 17879^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 323133137 - 2⁶ = 323133073 is a prime.

It is not a weakly prime, because it can be changed into another prime (323133197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161566568 + 161566569.

It is an arithmetic number, because the mean of its divisors is an integer number (161566569).

Almost surely, 2^323133137 is an apocalyptic number.

It is an amenable number.

323133137 is a deficient number, since it is larger than the sum of its proper divisors (1).

323133137 is an equidigital number, since it uses as much as digits as its factorization.

323133137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 26.

The square root of 323133137 is about 17975.9043444273. The cubic root of 323133137 is about 686.2154611389.

The spelling of 323133137 in words is "three hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-seven".