97997123 has 8 divisors (see below), whose sum is σ = 112412160. Its totient is φ = 83685960.

The previous prime is 97997087. The next prime is 97997131. The reversal of 97997123 is 32179979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97997123 - 2⁸ = 97996867 is a prime.

It is a super-2 number, since 2×97997123² = 19206872232554258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97997153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23933 + ... + 27726.

It is an arithmetic number, because the mean of its divisors is an integer number (14051520).

Almost surely, 2^97997123 is an apocalyptic number.

97997123 is a deficient number, since it is larger than the sum of its proper divisors (14415037).

97997123 is a wasteful number, since it uses less digits than its factorization.

97997123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51937.

The product of its digits is 214326, while the sum is 47.

The square root of 97997123 is about 9899.3496251016. The cubic root of 97997123 is about 461.0391175205.

The spelling of 97997123 in words is "ninety-seven million, nine hundred ninety-seven thousand, one hundred twenty-three".