97982123 has 4 divisors (see below), whose sum is σ = 98070960. Its totient is φ = 97893288.

The previous prime is 97982119. The next prime is 97982141. The reversal of 97982123 is 32128979.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97982123 - 2² = 97982119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97982153) 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, 42743 + ... + 44976.

It is an arithmetic number, because the mean of its divisors is an integer number (24517740).

Almost surely, 2^97982123 is an apocalyptic number.

97982123 is a deficient number, since it is larger than the sum of its proper divisors (88837).

97982123 is a wasteful number, since it uses less digits than its factorization.

97982123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88836.

The product of its digits is 54432, while the sum is 41.

The square root of 97982123 is about 9898.5919705784. The cubic root of 97982123 is about 461.0155932256.

The spelling of 97982123 in words is "ninety-seven million, nine hundred eighty-two thousand, one hundred twenty-three".