57123215346 has 32 divisors (see below), whose sum is σ = 124868971008. Its totient is φ = 17342910720.

The previous prime is 57123215339. The next prime is 57123215351. The reversal of 57123215346 is 64351232175.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9029605 + ... + 9035928.

It is an arithmetic number, because the mean of its divisors is an integer number (3902155344).

Almost surely, 2^57123215346 is an apocalyptic number.

57123215346 is an abundant number, since it is smaller than the sum of its proper divisors (67745755662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57123215346 is a wasteful number, since it uses less digits than its factorization.

57123215346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065586.

The product of its digits is 151200, while the sum is 39.

The spelling of 57123215346 in words is "fifty-seven billion, one hundred twenty-three million, two hundred fifteen thousand, three hundred forty-six".