972342243 has 12 divisors (see below), whose sum is σ = 1428300120. Its totient is φ = 637240896.

The previous prime is 972342229. The next prime is 972342289. The reversal of 972342243 is 342243279.

It is a happy number.

972342243 is a `hidden beast` number, since 9 + 72 + 342 + 243 = 666.

It is not a de Polignac number, because 972342243 - 2⁵ = 972342211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972342198 and 972342207.

It is not an unprimeable number, because it can be changed into a prime (972342223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915046 + ... + 916107.

It is an arithmetic number, because the mean of its divisors is an integer number (119025010).

Almost surely, 2^972342243 is an apocalyptic number.

972342243 is a deficient number, since it is larger than the sum of its proper divisors (455957877).

972342243 is a wasteful number, since it uses less digits than its factorization.

972342243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831218 (or 1831215 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 972342243 is about 31182.4027778489. The cubic root of 972342243 is about 990.6944224957.

The spelling of 972342243 in words is "nine hundred seventy-two million, three hundred forty-two thousand, two hundred forty-three".