157031728323 has 8 divisors (see below), whose sum is σ = 209928081600. Its totient is φ = 104411596968.

The previous prime is 157031728297. The next prime is 157031728331. The reversal of 157031728323 is 323827130751.

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

It is not a de Polignac number, because 157031728323 - 2²² = 157027534019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157031728393) 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, 69054153 + ... + 69056426.

It is an arithmetic number, because the mean of its divisors is an integer number (26241010200).

Almost surely, 2^157031728323 is an apocalyptic number.

157031728323 is a deficient number, since it is larger than the sum of its proper divisors (52896353277).

157031728323 is a wasteful number, since it uses less digits than its factorization.

157031728323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138110961.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 157031728323 in words is "one hundred fifty-seven billion, thirty-one million, seven hundred twenty-eight thousand, three hundred twenty-three".