125507723227623 has 24 divisors (see below), whose sum is σ = 197871114395136. Its totient is φ = 76026298842000.

The previous prime is 125507723227597. The next prime is 125507723227631. The reversal of 125507723227623 is 326722327705521.

125507723227623 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 0 + 7 + 7 + 2 + 3 + 2 + 2 + 7 + 623 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-125507723227623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125507723227623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125507723227643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324705565 + ... + 325091862.

It is an arithmetic number, because the mean of its divisors is an integer number (8244629766464).

Almost surely, 2^{125507723227623} is an apocalyptic number.

125507723227623 is a deficient number, since it is larger than the sum of its proper divisors (72363391167513).

125507723227623 is a wasteful number, since it uses less digits than its factorization.

125507723227623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649799395 (or 649799392 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 54.

The spelling of 125507723227623 in words is "one hundred twenty-five trillion, five hundred seven billion, seven hundred twenty-three million, two hundred twenty-seven thousand, six hundred twenty-three".