157057831423 has 8 divisors (see below), whose sum is σ = 157251784320. Its totient is φ = 156863961240.

The previous prime is 157057831409. The next prime is 157057831453. The reversal of 157057831423 is 324138750751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157057831423 is a prime.

It is a super-2 number, since 2×157057831423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157057831453) 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, 4331736 + ... + 4367842.

It is an arithmetic number, because the mean of its divisors is an integer number (19656473040).

Almost surely, 2^157057831423 is an apocalyptic number.

157057831423 is a deficient number, since it is larger than the sum of its proper divisors (193952897).

157057831423 is a wasteful number, since it uses less digits than its factorization.

157057831423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41357.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 157057831423 in words is "one hundred fifty-seven billion, fifty-seven million, eight hundred thirty-one thousand, four hundred twenty-three".