57146723 has 4 divisors (see below), whose sum is σ = 57173088. Its totient is φ = 57120360.

The previous prime is 57146681. The next prime is 57146753. The reversal of 57146723 is 32764175.

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 57146723 - 2¹⁸ = 56884579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57146753) 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, 9608 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (14293272).

Almost surely, 2^57146723 is an apocalyptic number.

57146723 is a deficient number, since it is larger than the sum of its proper divisors (26365).

57146723 is a wasteful number, since it uses less digits than its factorization.

57146723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364.

The product of its digits is 35280, while the sum is 35.

The square root of 57146723 is about 7559.5451582751. The cubic root of 57146723 is about 385.1800428500.

The spelling of 57146723 in words is "fifty-seven million, one hundred forty-six thousand, seven hundred twenty-three".