23467488191 has 4 divisors (see below), whose sum is σ = 26819986512. Its totient is φ = 20114989872.

The previous prime is 23467488167. The next prime is 23467488197. The reversal of 23467488191 is 19188476432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23467488191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23467488197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676249150 + ... + 1676249163.

It is an arithmetic number, because the mean of its divisors is an integer number (6704996628).

Almost surely, 2^23467488191 is an apocalyptic number.

23467488191 is a deficient number, since it is larger than the sum of its proper divisors (3352498321).

23467488191 is an equidigital number, since it uses as much as digits as its factorization.

23467488191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352498320.

The product of its digits is 2322432, while the sum is 53.

The spelling of 23467488191 in words is "twenty-three billion, four hundred sixty-seven million, four hundred eighty-eight thousand, one hundred ninety-one".