23820196081 has 16 divisors (see below), whose sum is σ = 26250681600. Its totient is φ = 21434284800.

The previous prime is 23820196027. The next prime is 23820196087. The reversal of 23820196081 is 18069102832.

It is a cyclic number.

It is not a de Polignac number, because 23820196081 - 2²³ = 23811807473 is a prime.

It is a super-2 number, since 2×23820196081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23820196087) 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, 1236201 + ... + 1255321.

It is an arithmetic number, because the mean of its divisors is an integer number (1640667600).

Almost surely, 2^23820196081 is an apocalyptic number.

It is an amenable number.

23820196081 is a deficient number, since it is larger than the sum of its proper divisors (2430485519).

23820196081 is a wasteful number, since it uses less digits than its factorization.

23820196081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 23820196081 in words is "twenty-three billion, eight hundred twenty million, one hundred ninety-six thousand, eighty-one".