57785624423 has 4 divisors (see below), whose sum is σ = 58207417440. Its totient is φ = 57363831408.

The previous prime is 57785624383. The next prime is 57785624441. The reversal of 57785624423 is 32442658775.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57785624423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57785624023) 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, 210896303 + ... + 210896576.

It is an arithmetic number, because the mean of its divisors is an integer number (14551854360).

Almost surely, 2^57785624423 is an apocalyptic number.

57785624423 is a deficient number, since it is larger than the sum of its proper divisors (421793017).

57785624423 is a wasteful number, since it uses less digits than its factorization.

57785624423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421793016.

The product of its digits is 11289600, while the sum is 53.

The spelling of 57785624423 in words is "fifty-seven billion, seven hundred eighty-five million, six hundred twenty-four thousand, four hundred twenty-three".