84372923 has 4 divisors (see below), whose sum is σ = 86335128. Its totient is φ = 82410720.

The previous prime is 84372877. The next prime is 84372941. The reversal of 84372923 is 32927348.

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 84372923 - 2⁶ = 84372859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84372983) 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, 981038 + ... + 981123.

It is an arithmetic number, because the mean of its divisors is an integer number (21583782).

Almost surely, 2^84372923 is an apocalyptic number.

84372923 is a deficient number, since it is larger than the sum of its proper divisors (1962205).

84372923 is a wasteful number, since it uses less digits than its factorization.

84372923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962204.

The product of its digits is 72576, while the sum is 38.

The square root of 84372923 is about 9185.4734771812. The cubic root of 84372923 is about 438.5990617780.

The spelling of 84372923 in words is "eighty-four million, three hundred seventy-two thousand, nine hundred twenty-three".