23251130491 has 8 divisors (see below), whose sum is σ = 24274356480. Its totient is φ = 22228930152.

The previous prime is 23251130467. The next prime is 23251130527. The reversal of 23251130491 is 19403115232.

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

It is not a de Polignac number, because 23251130491 - 2¹¹ = 23251128443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23251130411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209895 + ... + 300928.

It is an arithmetic number, because the mean of its divisors is an integer number (3034294560).

Almost surely, 2^23251130491 is an apocalyptic number.

23251130491 is a deficient number, since it is larger than the sum of its proper divisors (1023225989).

23251130491 is a wasteful number, since it uses less digits than its factorization.

23251130491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512825.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 23251130491 in words is "twenty-three billion, two hundred fifty-one million, one hundred thirty thousand, four hundred ninety-one".