157870023 has 8 divisors (see below), whose sum is σ = 213635328. Its totient is φ = 103675704.

The previous prime is 157870021. The next prime is 157870033. The reversal of 157870023 is 320078751.

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

It is not a de Polignac number, because 157870023 - 2¹ = 157870021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157870021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392511 + ... + 392912.

It is an arithmetic number, because the mean of its divisors is an integer number (26704416).

Almost surely, 2^157870023 is an apocalyptic number.

157870023 is a deficient number, since it is larger than the sum of its proper divisors (55765305).

157870023 is an equidigital number, since it uses as much as digits as its factorization.

157870023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785493.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 157870023 is about 12564.6338187788. The cubic root of 157870023 is about 540.4637340198.

The spelling of 157870023 in words is "one hundred fifty-seven million, eight hundred seventy thousand, twenty-three".