157324723 has 4 divisors (see below), whose sum is σ = 160293168. Its totient is φ = 154356280.

The previous prime is 157324697. The next prime is 157324763. The reversal of 157324723 is 327423751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157324723 - 2¹³ = 157316531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157324763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484143 + ... + 1484248.

It is an arithmetic number, because the mean of its divisors is an integer number (40073292).

Almost surely, 2^157324723 is an apocalyptic number.

157324723 is a deficient number, since it is larger than the sum of its proper divisors (2968445).

157324723 is an equidigital number, since it uses as much as digits as its factorization.

157324723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968444.

The product of its digits is 35280, while the sum is 34.

The square root of 157324723 is about 12542.9152512484. The cubic root of 157324723 is about 539.8407429313.

The spelling of 157324723 in words is "one hundred fifty-seven million, three hundred twenty-four thousand, seven hundred twenty-three".