57123072269 has 4 divisors (see below), whose sum is σ = 57149508060. Its totient is φ = 57096636480.

The previous prime is 57123072191. The next prime is 57123072283. The reversal of 57123072269 is 96227032175.

It is a happy number.

57123072269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46209091369 + 10913980900 = 214963^2 + 104470^2 .

It is a cyclic number.

It is not a de Polignac number, because 57123072269 - 2²⁴ = 57106295053 is a prime.

It is a super-2 number, since 2×57123072269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57123072469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13214654 + ... + 13218975.

It is an arithmetic number, because the mean of its divisors is an integer number (14287377015).

Almost surely, 2^57123072269 is an apocalyptic number.

It is an amenable number.

57123072269 is a deficient number, since it is larger than the sum of its proper divisors (26435791).

57123072269 is a wasteful number, since it uses less digits than its factorization.

57123072269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26435790.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 57123072269 in words is "fifty-seven billion, one hundred twenty-three million, seventy-two thousand, two hundred sixty-nine".