57361223 has 4 divisors (see below), whose sum is σ = 57424560. Its totient is φ = 57297888.

The previous prime is 57361207. The next prime is 57361229. The reversal of 57361223 is 32216375.

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 57361223 - 2⁴ = 57361207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57361229) 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, 30290 + ... + 32127.

It is an arithmetic number, because the mean of its divisors is an integer number (14356140).

Almost surely, 2^57361223 is an apocalyptic number.

57361223 is a deficient number, since it is larger than the sum of its proper divisors (63337).

57361223 is an equidigital number, since it uses as much as digits as its factorization.

57361223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63336.

The product of its digits is 7560, while the sum is 29.

The square root of 57361223 is about 7573.7192316589. The cubic root of 57361223 is about 385.6613650630.

Adding to 57361223 its reverse (32216375), we get a palindrome (89577598).

The spelling of 57361223 in words is "fifty-seven million, three hundred sixty-one thousand, two hundred twenty-three".