23267200981 has 4 divisors (see below), whose sum is σ = 23299206112. Its totient is φ = 23235195852.

The previous prime is 23267200969. The next prime is 23267200991. The reversal of 23267200981 is 18900276232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23267200981 - 2¹³ = 23267192789 is a prime.

It is a super-2 number, since 2×23267200981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23267200921) 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, 16001475 + ... + 16002928.

It is an arithmetic number, because the mean of its divisors is an integer number (5824801528).

Almost surely, 2^23267200981 is an apocalyptic number.

It is an amenable number.

23267200981 is a deficient number, since it is larger than the sum of its proper divisors (32005131).

23267200981 is an equidigital number, since it uses as much as digits as its factorization.

23267200981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32005130.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 23267200981 in words is "twenty-three billion, two hundred sixty-seven million, two hundred thousand, nine hundred eighty-one".