97455923 has 4 divisors (see below), whose sum is σ = 99294768. Its totient is φ = 95617080.

The previous prime is 97455913. The next prime is 97455947. The reversal of 97455923 is 32955479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32955479 = 1019 ⋅32341.

It is a cyclic number.

It is not a de Polignac number, because 97455923 - 2⁸ = 97455667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97455913) 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, 919343 + ... + 919448.

It is an arithmetic number, because the mean of its divisors is an integer number (24823692).

Almost surely, 2^97455923 is an apocalyptic number.

97455923 is a deficient number, since it is larger than the sum of its proper divisors (1838845).

97455923 is a wasteful number, since it uses less digits than its factorization.

97455923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838844.

The product of its digits is 340200, while the sum is 44.

The square root of 97455923 is about 9871.9766511069. The cubic root of 97455923 is about 460.1888370876.

The spelling of 97455923 in words is "ninety-seven million, four hundred fifty-five thousand, nine hundred twenty-three".