157323311 has 2 divisors, whose sum is σ = 157323312. Its totient is φ = 157323310.

The previous prime is 157323301. The next prime is 157323317. The reversal of 157323311 is 113323751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157323311 - 2¹⁰ = 157322287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157323317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78661655 + 78661656.

It is an arithmetic number, because the mean of its divisors is an integer number (78661656).

Almost surely, 2^157323311 is an apocalyptic number.

157323311 is a deficient number, since it is larger than the sum of its proper divisors (1).

157323311 is an equidigital number, since it uses as much as digits as its factorization.

157323311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 26.

The square root of 157323311 is about 12542.8589643669. The cubic root of 157323311 is about 539.8391278908.

The spelling of 157323311 in words is "one hundred fifty-seven million, three hundred twenty-three thousand, three hundred eleven".