157880723 has 32 divisors (see below), whose sum is σ = 214072320. Its totient is φ = 112440960.

The previous prime is 157880719. The next prime is 157880729. The reversal of 157880723 is 327088751.

It is a cyclic number.

It is not a de Polignac number, because 157880723 - 2² = 157880719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157880729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108386 + ... + 109832.

It is an arithmetic number, because the mean of its divisors is an integer number (6689760).

Almost surely, 2^157880723 is an apocalyptic number.

157880723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157880723 is a deficient number, since it is larger than the sum of its proper divisors (56191597).

157880723 is a wasteful number, since it uses less digits than its factorization.

157880723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 157880723 is about 12565.0596098865. The cubic root of 157880723 is about 540.4759441303.

The spelling of 157880723 in words is "one hundred fifty-seven million, eight hundred eighty thousand, seven hundred twenty-three".