23036057781 has 32 divisors (see below), whose sum is σ = 33686876160. Its totient is φ = 13886443200.

The previous prime is 23036057777. The next prime is 23036057819. The reversal of 23036057781 is 18775063032.

It is not a de Polignac number, because 23036057781 - 2² = 23036057777 is a prime.

It is a super-2 number, since 2×23036057781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036057731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11916291 + ... + 11918223.

It is an arithmetic number, because the mean of its divisors is an integer number (1052714880).

Almost surely, 2^23036057781 is an apocalyptic number.

It is an amenable number.

23036057781 is a deficient number, since it is larger than the sum of its proper divisors (10650818379).

23036057781 is a wasteful number, since it uses less digits than its factorization.

23036057781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 23036057781 in words is "twenty-three billion, thirty-six million, fifty-seven thousand, seven hundred eighty-one".