57823983 has 16 divisors (see below), whose sum is σ = 97903360. Its totient is φ = 33042168.

The previous prime is 57823979. The next prime is 57823991. The reversal of 57823983 is 38932875.

It is not a de Polignac number, because 57823983 - 2² = 57823979 is a prime.

It is a super-2 number, since 2×57823983² = 6687226019968578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57823943) 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, 152785 + ... + 153162.

It is an arithmetic number, because the mean of its divisors is an integer number (6118960).

Almost surely, 2^57823983 is an apocalyptic number.

57823983 is a deficient number, since it is larger than the sum of its proper divisors (40079377).

57823983 is a wasteful number, since it uses less digits than its factorization.

57823983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305963 (or 305957 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 57823983 is about 7604.2082428087. The cubic root of 57823983 is about 386.6956925132.

The spelling of 57823983 in words is "fifty-seven million, eight hundred twenty-three thousand, nine hundred eighty-three".