157304923 has 8 divisors (see below), whose sum is σ = 158508000. Its totient is φ = 156106368.

The previous prime is 157304899. The next prime is 157304929. The reversal of 157304923 is 329403751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157304923 - 2⁵ = 157304891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157304929) 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 in 7 ways as a sum of consecutive naturals, for example, 100515 + ... + 102067.

It is an arithmetic number, because the mean of its divisors is an integer number (19813500).

Almost surely, 2^157304923 is an apocalyptic number.

157304923 is a deficient number, since it is larger than the sum of its proper divisors (1203077).

157304923 is a wasteful number, since it uses less digits than its factorization.

157304923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 157304923 is about 12542.1259362199. The cubic root of 157304923 is about 539.8180948801.

The spelling of 157304923 in words is "one hundred fifty-seven million, three hundred four thousand, nine hundred twenty-three".