23401513824 has 108 divisors (see below), whose sum is σ = 66573195948. Its totient is φ = 7194470400.

The previous prime is 23401513777. The next prime is 23401513901. The reversal of 23401513824 is 42831510432.

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 17 ways as a sum of consecutive naturals, for example, 19484424 + ... + 19485624.

It is an arithmetic number, because the mean of its divisors is an integer number (616418481).

Almost surely, 2^23401513824 is an apocalyptic number.

23401513824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23401513824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33286597974).

23401513824 is an abundant number, since it is smaller than the sum of its proper divisors (43171682124).

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

23401513824 is an equidigital number, since it uses as much as digits as its factorization.

23401513824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 23401513824 in words is "twenty-three billion, four hundred one million, five hundred thirteen thousand, eight hundred twenty-four".