57173238233 has 4 divisors (see below), whose sum is σ = 57173751348. Its totient is φ = 57172725120.

The previous prime is 57173238193. The next prime is 57173238247. The reversal of 57173238233 is 33283237175.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14517358144 + 42655880089 = 120488^2 + 206533^2 .

It is a cyclic number.

It is not a de Polignac number, because 57173238233 - 2¹⁶ = 57173172697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57173238433) 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, 11216 + ... + 338337.

It is an arithmetic number, because the mean of its divisors is an integer number (14293437837).

Almost surely, 2^57173238233 is an apocalyptic number.

It is an amenable number.

57173238233 is a deficient number, since it is larger than the sum of its proper divisors (513115).

57173238233 is a wasteful number, since it uses less digits than its factorization.

57173238233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513114.

The product of its digits is 635040, while the sum is 44.

The spelling of 57173238233 in words is "fifty-seven billion, one hundred seventy-three million, two hundred thirty-eight thousand, two hundred thirty-three".