57123020773 has 16 divisors (see below), whose sum is σ = 72729578880. Its totient is φ = 43637743296.

The previous prime is 57123020767. The next prime is 57123020789. The reversal of 57123020773 is 37702032175.

It is not a de Polignac number, because 57123020773 - 2¹³ = 57123012581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57123024773) 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, 10820215 + ... + 10825492.

It is an arithmetic number, because the mean of its divisors is an integer number (4545598680).

Almost surely, 2^57123020773 is an apocalyptic number.

It is an amenable number.

57123020773 is a deficient number, since it is larger than the sum of its proper divisors (15606558107).

57123020773 is a wasteful number, since it uses less digits than its factorization.

57123020773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645756.

The product of its (nonzero) digits is 61740, while the sum is 37.

The spelling of 57123020773 in words is "fifty-seven billion, one hundred twenty-three million, twenty thousand, seven hundred seventy-three".