125717823 has 48 divisors (see below), whose sum is σ = 232567296. Its totient is φ = 63529920.

The previous prime is 125717807. The next prime is 125717833. The reversal of 125717823 is 328717521.

125717823 = 79³ + 80³ + ... + 152³.

125717823 is a `hidden beast` number, since 1 + 2 + 571 + 7 + 82 + 3 = 666.

It is not a de Polignac number, because 125717823 - 2⁴ = 125717807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125717833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23190 + ... + 28092.

It is an arithmetic number, because the mean of its divisors is an integer number (4845152).

Almost surely, 2^125717823 is an apocalyptic number.

125717823 is a deficient number, since it is larger than the sum of its proper divisors (106849473).

125717823 is a wasteful number, since it uses less digits than its factorization.

125717823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4961 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 125717823 is about 11212.3959526945. The cubic root of 125717823 is about 500.9552710853.

The spelling of 125717823 in words is "one hundred twenty-five million, seven hundred seventeen thousand, eight hundred twenty-three".