23281418840 has 16 divisors (see below), whose sum is σ = 52383192480. Its totient is φ = 9312567520.

The previous prime is 23281418807. The next prime is 23281418851. The reversal of 23281418840 is 4881418232.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 291017696 + ... + 291017775.

It is an arithmetic number, because the mean of its divisors is an integer number (3273949530).

Almost surely, 2^23281418840 is an apocalyptic number.

23281418840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23281418840 is an abundant number, since it is smaller than the sum of its proper divisors (29101773640).

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

23281418840 is a wasteful number, since it uses less digits than its factorization.

23281418840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582035482 (or 582035478 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 23281418840 in words is "twenty-three billion, two hundred eighty-one million, four hundred eighteen thousand, eight hundred forty".