57423873 has 16 divisors (see below), whose sum is σ = 85116416. Its totient is φ = 34197120.

The previous prime is 57423859. The next prime is 57423881. The reversal of 57423873 is 37832475.

It is not a de Polignac number, because 57423873 - 2¹⁶ = 57358337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57423803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22540 + ... + 24957.

It is an arithmetic number, because the mean of its divisors is an integer number (5319776).

Almost surely, 2^57423873 is an apocalyptic number.

It is an amenable number.

57423873 is a deficient number, since it is larger than the sum of its proper divisors (27692543).

57423873 is a wasteful number, since it uses less digits than its factorization.

57423873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47544.

The product of its digits is 141120, while the sum is 39.

The square root of 57423873 is about 7577.8541157771. The cubic root of 57423873 is about 385.8017205861.

The spelling of 57423873 in words is "fifty-seven million, four hundred twenty-three thousand, eight hundred seventy-three".