23491214190 has 40 divisors (see below), whose sum is σ = 63165267000. Its totient is φ = 6264323568.

The previous prime is 23491214171. The next prime is 23491214213. The reversal of 23491214190 is 9141219432.

23491214190 is a `hidden beast` number, since 2 + 349 + 121 + 4 + 190 = 666.

It is a super-2 number, since 2×23491214190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14499940 + ... + 14501559.

It is an arithmetic number, because the mean of its divisors is an integer number (1579131675).

Almost surely, 2^23491214190 is an apocalyptic number.

23491214190 is an abundant number, since it is smaller than the sum of its proper divisors (39674052810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23491214190 is a wasteful number, since it uses less digits than its factorization.

23491214190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29001518 (or 29001509 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 23491214190 in words is "twenty-three billion, four hundred ninety-one million, two hundred fourteen thousand, one hundred ninety".