57401723 has 4 divisors (see below), whose sum is σ = 57508368. Its totient is φ = 57295080.

The previous prime is 57401719. The next prime is 57401731. The reversal of 57401723 is 32710475.

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 57401723 - 2² = 57401719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57401753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52511 + ... + 53592.

It is an arithmetic number, because the mean of its divisors is an integer number (14377092).

Almost surely, 2^57401723 is an apocalyptic number.

57401723 is a deficient number, since it is larger than the sum of its proper divisors (106645).

57401723 is a wasteful number, since it uses less digits than its factorization.

57401723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106644.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57401723 is about 7576.3924792740. The cubic root of 57401723 is about 385.7521093551.

The spelling of 57401723 in words is "fifty-seven million, four hundred one thousand, seven hundred twenty-three".