23570769981 has 32 divisors (see below), whose sum is σ = 34746716160. Its totient is φ = 14093870400.

The previous prime is 23570769973. The next prime is 23570770021. The reversal of 23570769981 is 18996707532.

It is not a de Polignac number, because 23570769981 - 2³ = 23570769973 is a prime.

It is a super-2 number, since 2×23570769981² (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 (23570769281) 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, 908335 + ... + 933923.

It is an arithmetic number, because the mean of its divisors is an integer number (1085834880).

Almost surely, 2^23570769981 is an apocalyptic number.

It is an amenable number.

23570769981 is a deficient number, since it is larger than the sum of its proper divisors (11175946179).

23570769981 is a wasteful number, since it uses less digits than its factorization.

23570769981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25977.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 23570769981 in words is "twenty-three billion, five hundred seventy million, seven hundred sixty-nine thousand, nine hundred eighty-one".