57123231372 has 48 divisors (see below), whose sum is σ = 148244325600. Its totient is φ = 19022169600.

The previous prime is 57123231367. The next prime is 57123231461. The reversal of 57123231372 is 27313232175.

57123231372 is a `hidden beast` number, since 57 + 1 + 2 + 3 + 231 + 372 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153129 + ... + 371072.

It is an arithmetic number, because the mean of its divisors is an integer number (3088423450).

Almost surely, 2^57123231372 is an apocalyptic number.

It is an amenable number.

57123231372 is an abundant number, since it is smaller than the sum of its proper divisors (91121094228).

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

57123231372 is a wasteful number, since it uses less digits than its factorization.

57123231372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525223 (or 525215 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The spelling of 57123231372 in words is "fifty-seven billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred seventy-two".