23219188191 has 16 divisors (see below), whose sum is σ = 34408954720. Its totient is φ = 15474888000.

The previous prime is 23219188151. The next prime is 23219188193. The reversal of 23219188191 is 19188191232.

It is not a de Polignac number, because 23219188191 - 2⁹ = 23219187679 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 (23219188193) 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 15 ways as a sum of consecutive naturals, for example, 32560 + ... + 217941.

It is an arithmetic number, because the mean of its divisors is an integer number (2150559670).

Almost surely, 2^23219188191 is an apocalyptic number.

23219188191 is a deficient number, since it is larger than the sum of its proper divisors (11189766529).

23219188191 is a wasteful number, since it uses less digits than its factorization.

23219188191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253943 (or 253937 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The spelling of 23219188191 in words is "twenty-three billion, two hundred nineteen million, one hundred eighty-eight thousand, one hundred ninety-one".