972457238373 has 4 divisors (see below), whose sum is σ = 1296609651168. Its totient is φ = 648304825580.

The previous prime is 972457238321. The next prime is 972457238381. The reversal of 972457238373 is 373832754279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373832754279 = 3 ⋅124610918093.

It is a cyclic number.

It is not a de Polignac number, because 972457238373 - 2²⁰ = 972456189797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972457238573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162076206393 + ... + 162076206398.

It is an arithmetic number, because the mean of its divisors is an integer number (324152412792).

Almost surely, 2^972457238373 is an apocalyptic number.

It is an amenable number.

972457238373 is a deficient number, since it is larger than the sum of its proper divisors (324152412795).

972457238373 is a wasteful number, since it uses less digits than its factorization.

972457238373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324152412794.

The product of its digits is 53343360, while the sum is 60.

The spelling of 972457238373 in words is "nine hundred seventy-two billion, four hundred fifty-seven million, two hundred thirty-eight thousand, three hundred seventy-three".