23491214191 has 8 divisors (see below), whose sum is σ = 23851707264. Its totient is φ = 23132565720.

The previous prime is 23491214171. The next prime is 23491214213. The reversal of 23491214191 is 19141219432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23491214191 - 2⁷ = 23491214063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23491214191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23491214171) 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 7 ways as a sum of consecutive naturals, for example, 435475 + ... + 486436.

It is an arithmetic number, because the mean of its divisors is an integer number (2981463408).

Almost surely, 2^23491214191 is an apocalyptic number.

23491214191 is a deficient number, since it is larger than the sum of its proper divisors (360493073).

23491214191 is an equidigital number, since it uses as much as digits as its factorization.

23491214191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922301.

The product of its digits is 15552, while the sum is 37.

The spelling of 23491214191 in words is "twenty-three billion, four hundred ninety-one million, two hundred fourteen thousand, one hundred ninety-one".