972605623 has 16 divisors (see below), whose sum is σ = 1116340992. Its totient is φ = 845717400.

The previous prime is 972605603. The next prime is 972605633. The reversal of 972605623 is 326506279.

It is not a de Polignac number, because 972605623 - 2⁹ = 972605111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972605603) 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, 14728 + ... + 46498.

It is an arithmetic number, because the mean of its divisors is an integer number (69771312).

Almost surely, 2^972605623 is an apocalyptic number.

972605623 is a deficient number, since it is larger than the sum of its proper divisors (143735369).

972605623 is a wasteful number, since it uses less digits than its factorization.

972605623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31827 (or 31805 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 972605623 is about 31186.6257071842. The cubic root of 972605623 is about 990.7838647824.

The spelling of 972605623 in words is "nine hundred seventy-two million, six hundred five thousand, six hundred twenty-three".