157185023 has 2 divisors, whose sum is σ = 157185024. Its totient is φ = 157185022.

The previous prime is 157185001. The next prime is 157185029. The reversal of 157185023 is 320581751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157185023 - 2¹² = 157180927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157185029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78592511 + 78592512.

It is an arithmetic number, because the mean of its divisors is an integer number (78592512).

Almost surely, 2^157185023 is an apocalyptic number.

157185023 is a deficient number, since it is larger than the sum of its proper divisors (1).

157185023 is an equidigital number, since it uses as much as digits as its factorization.

157185023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 157185023 is about 12537.3451336397. The cubic root of 157185023 is about 539.6809077324.

The spelling of 157185023 in words is "one hundred fifty-seven million, one hundred eighty-five thousand, twenty-three".