157005023 has 16 divisors (see below), whose sum is σ = 185464320. Its totient is φ = 130100256.

The previous prime is 157005007. The next prime is 157005089. The reversal of 157005023 is 320500751.

It is a cyclic number.

It is not a de Polignac number, because 157005023 - 2⁴ = 157005007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157005023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157005223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40358 + ... + 44076.

It is an arithmetic number, because the mean of its divisors is an integer number (11591520).

Almost surely, 2^157005023 is an apocalyptic number.

157005023 is a deficient number, since it is larger than the sum of its proper divisors (28459297).

157005023 is a wasteful number, since it uses less digits than its factorization.

157005023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 157005023 is about 12530.1645240595. The cubic root of 157005023 is about 539.4748243410.

Adding to 157005023 its reverse (320500751), we get a palindrome (477505774).

The spelling of 157005023 in words is "one hundred fifty-seven million, five thousand, twenty-three".