23867162091 has 12 divisors (see below), whose sum is σ = 34476147160. Its totient is φ = 15910814880.

The previous prime is 23867162071. The next prime is 23867162101. The reversal of 23867162091 is 19026176832.

It is not a de Polignac number, because 23867162091 - 2⁷ = 23867161963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23867162051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362076 + ... + 422886.

Almost surely, 2^23867162091 is an apocalyptic number.

23867162091 is a deficient number, since it is larger than the sum of its proper divisors (10608985069).

23867162091 is a wasteful number, since it uses less digits than its factorization.

23867162091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104426 (or 104423 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 23867162091 in words is "twenty-three billion, eight hundred sixty-seven million, one hundred sixty-two thousand, ninety-one".