57239323 has 8 divisors (see below), whose sum is σ = 60708528. Its totient is φ = 53781504.

The previous prime is 57239309. The next prime is 57239339. The reversal of 57239323 is 32393275.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57239323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57239353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8940 + ... + 13942.

It is an arithmetic number, because the mean of its divisors is an integer number (7588566).

Almost surely, 2^57239323 is an apocalyptic number.

57239323 is a deficient number, since it is larger than the sum of its proper divisors (3469205).

57239323 is a wasteful number, since it uses less digits than its factorization.

57239323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693.

The product of its digits is 34020, while the sum is 34.

The square root of 57239323 is about 7565.6673862918. The cubic root of 57239323 is about 385.3879779233.

The spelling of 57239323 in words is "fifty-seven million, two hundred thirty-nine thousand, three hundred twenty-three".