23420511057 has 16 divisors (see below), whose sum is σ = 33870699072. Its totient is φ = 14336801280.

The previous prime is 23420511053. The next prime is 23420511073. The reversal of 23420511057 is 75011502432.

It is not a de Polignac number, because 23420511057 - 2² = 23420511053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23420511053) by changing a digit.

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, 5598223 + ... + 5602404.

It is an arithmetic number, because the mean of its divisors is an integer number (2116918692).

Almost surely, 2^23420511057 is an apocalyptic number.

It is an amenable number.

23420511057 is a deficient number, since it is larger than the sum of its proper divisors (10450188015).

23420511057 is a wasteful number, since it uses less digits than its factorization.

23420511057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200688.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 23420511057 in words is "twenty-three billion, four hundred twenty million, five hundred eleven thousand, fifty-seven".