157323663 has 54 divisors (see below), whose sum is σ = 271549824. Its totient is φ = 87508512.

The previous prime is 157323653. The next prime is 157323679. The reversal of 157323663 is 366323751.

157323663 is a `hidden beast` number, since 1 + 573 + 23 + 6 + 63 = 666.

It is not a de Polignac number, because 157323663 - 2⁶ = 157323599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157323623) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1238706 + ... + 1238832.

Almost surely, 2^157323663 is an apocalyptic number.

157323663 is a deficient number, since it is larger than the sum of its proper divisors (114226161).

157323663 is a wasteful number, since it uses less digits than its factorization.

157323663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 190 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 157323663 is about 12542.8729962477. The cubic root of 157323663 is about 539.8395305080.

The spelling of 157323663 in words is "one hundred fifty-seven million, three hundred twenty-three thousand, six hundred sixty-three".