57123072402 has 32 divisors (see below), whose sum is σ = 124654870080. Its totient is φ = 17306867520.

The previous prime is 57123072379. The next prime is 57123072403. The reversal of 57123072402 is 20427032175.

57123072402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (57123072403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299724 + ... + 451752.

It is an arithmetic number, because the mean of its divisors is an integer number (3895464690).

Almost surely, 2^57123072402 is an apocalyptic number.

57123072402 is an abundant number, since it is smaller than the sum of its proper divisors (67531797678).

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

57123072402 is a wasteful number, since it uses less digits than its factorization.

57123072402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157738.

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 57123072402 in words is "fifty-seven billion, one hundred twenty-three million, seventy-two thousand, four hundred two".