57079723 has 2 divisors, whose sum is σ = 57079724. Its totient is φ = 57079722.

The previous prime is 57079717. The next prime is 57079733. The reversal of 57079723 is 32797075.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57079723 is a prime.

It is not a weakly prime, because it can be changed into another prime (57079733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539861 + 28539862.

It is an arithmetic number, because the mean of its divisors is an integer number (28539862).

Almost surely, 2^57079723 is an apocalyptic number.

57079723 is a deficient number, since it is larger than the sum of its proper divisors (1).

57079723 is an equidigital number, since it uses as much as digits as its factorization.

57079723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 57079723 is about 7555.1123750742. The cubic root of 57079723 is about 385.0294529669.

The spelling of 57079723 in words is "fifty-seven million, seventy-nine thousand, seven hundred twenty-three".