83997423 has 12 divisors (see below), whose sum is σ = 127715640. Its totient is φ = 53050896.

The previous prime is 83997379. The next prime is 83997439. The reversal of 83997423 is 32479938.

It is a happy number.

It is not a de Polignac number, because 83997423 - 2⁸ = 83997167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83997443) 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, 245436 + ... + 245777.

It is an arithmetic number, because the mean of its divisors is an integer number (10642970).

Almost surely, 2^83997423 is an apocalyptic number.

83997423 is a deficient number, since it is larger than the sum of its proper divisors (43718217).

83997423 is a wasteful number, since it uses less digits than its factorization.

83997423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491238 (or 491235 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 83997423 is about 9165.0108019576. The cubic root of 83997423 is about 437.9474353633.

The spelling of 83997423 in words is "eighty-three million, nine hundred ninety-seven thousand, four hundred twenty-three".