23491954171 has 8 divisors (see below), whose sum is σ = 26859186144. Its totient is φ = 20127531840.

The previous prime is 23491954151. The next prime is 23491954177. The reversal of 23491954171 is 17145919432.

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 23491954171 - 2⁵ = 23491954139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23491954177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684460 + ... + 717961.

It is an arithmetic number, because the mean of its divisors is an integer number (3357398268).

Almost surely, 2^23491954171 is an apocalyptic number.

23491954171 is a deficient number, since it is larger than the sum of its proper divisors (3367231973).

23491954171 is a wasteful number, since it uses less digits than its factorization.

23491954171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404821.

The product of its digits is 272160, while the sum is 46.

The spelling of 23491954171 in words is "twenty-three billion, four hundred ninety-one million, nine hundred fifty-four thousand, one hundred seventy-one".