23091409220 has 24 divisors (see below), whose sum is σ = 52900319808. Its totient is φ = 8396876000.

The previous prime is 23091409189. The next prime is 23091409267. The reversal of 23091409220 is 2290419032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52480256 + ... + 52480695.

It is an arithmetic number, because the mean of its divisors is an integer number (2204179992).

Almost surely, 2^23091409220 is an apocalyptic number.

23091409220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23091409220 is an abundant number, since it is smaller than the sum of its proper divisors (29808910588).

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

23091409220 is a wasteful number, since it uses less digits than its factorization.

23091409220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104960971 (or 104960969 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 23091409220 in words is "twenty-three billion, ninety-one million, four hundred nine thousand, two hundred twenty".