57042723 has 8 divisors (see below), whose sum is σ = 76455936. Its totient is φ = 37829000.

The previous prime is 57042721. The next prime is 57042743. The reversal of 57042723 is 32724075.

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

It is a cyclic number.

It is not a de Polignac number, because 57042723 - 2¹ = 57042721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57042721) 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, 49203 + ... + 50348.

It is an arithmetic number, because the mean of its divisors is an integer number (9556992).

Almost surely, 2^57042723 is an apocalyptic number.

57042723 is a deficient number, since it is larger than the sum of its proper divisors (19413213).

57042723 is a wasteful number, since it uses less digits than its factorization.

57042723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99745.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 57042723 is about 7552.6633050865. The cubic root of 57042723 is about 384.9462408774.

Adding to 57042723 its reverse (32724075), we get a palindrome (89766798).

The spelling of 57042723 in words is "fifty-seven million, forty-two thousand, seven hundred twenty-three".