157023 has 12 divisors (see below), whose sum is σ = 230880. Its totient is φ = 102816.

The previous prime is 157019. The next prime is 157037. The reversal of 157023 is 320751.

It is not a de Polignac number, because 157023 - 2² = 157019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156987 and 157005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (19240).

2¹⁵⁷⁰²³ is an apocalyptic number.

157023 is a deficient number, since it is larger than the sum of its proper divisors (73857).

157023 is a wasteful number, since it uses less digits than its factorization.

157023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 157023 is about 396.2612774420. The cubic root of 157023 is about 53.9495413425.

Adding to 157023 its reverse (320751), we get a palindrome (477774).

The spelling of 157023 in words is "one hundred fifty-seven thousand, twenty-three".