157287285723 has 8 divisors (see below), whose sum is σ = 209764753488. Its totient is φ = 104834004224.

The previous prime is 157287285713. The next prime is 157287285767. The reversal of 157287285723 is 327582782751.

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 157287285723 - 2⁴ = 157287285707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157287285713) 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, 6031386 + ... + 6057407.

It is an arithmetic number, because the mean of its divisors is an integer number (26220594186).

Almost surely, 2^157287285723 is an apocalyptic number.

157287285723 is a deficient number, since it is larger than the sum of its proper divisors (52477467765).

157287285723 is a wasteful number, since it uses less digits than its factorization.

157287285723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093133.

The product of its digits is 13171200, while the sum is 57.

The spelling of 157287285723 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, two hundred eighty-five thousand, seven hundred twenty-three".