28572936123 has 16 divisors (see below), whose sum is σ = 38461423616. Its totient is φ = 18867038400.

The previous prime is 28572936113. The next prime is 28572936131. The reversal of 28572936123 is 32163927582.

It is not a de Polignac number, because 28572936123 - 2²² = 28568741819 is a prime.

It is a super-2 number, since 2×28572936123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28572936103) 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, 166590 + ... + 291372.

It is an arithmetic number, because the mean of its divisors is an integer number (2403838976).

Almost surely, 2^28572936123 is an apocalyptic number.

28572936123 is a deficient number, since it is larger than the sum of its proper divisors (9888487493).

28572936123 is a wasteful number, since it uses less digits than its factorization.

28572936123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125514.

The product of its digits is 1088640, while the sum is 48.

The spelling of 28572936123 in words is "twenty-eight billion, five hundred seventy-two million, nine hundred thirty-six thousand, one hundred twenty-three".