57123394 has 8 divisors (see below), whose sum is σ = 85895820. Its totient is φ = 28491456.

The previous prime is 57123361. The next prime is 57123401. The reversal of 57123394 is 49332175.

It can be written as a sum of positive squares in 2 ways, for example, as 57078025 + 45369 = 7555^2 + 213^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34099 + ... + 35734.

Almost surely, 2^57123394 is an apocalyptic number.

57123394 is a deficient number, since it is larger than the sum of its proper divisors (28772426).

57123394 is a wasteful number, since it uses less digits than its factorization.

57123394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70244.

The product of its digits is 22680, while the sum is 34.

The square root of 57123394 is about 7558.0019846518. The cubic root of 57123394 is about 385.1276217149.

The spelling of 57123394 in words is "fifty-seven million, one hundred twenty-three thousand, three hundred ninety-four".