23493803680 has 96 divisors (see below), whose sum is σ = 56298412800. Its totient is φ = 9263434752.

The previous prime is 23493803657. The next prime is 23493803699. The reversal of 23493803680 is 8630839432.

It is a super-2 number, since 2×23493803680² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23493803680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10780831 + ... + 10783009.

It is an arithmetic number, because the mean of its divisors is an integer number (586441800).

Almost surely, 2^23493803680 is an apocalyptic number.

23493803680 is a gapful number since it is divisible by the number (20) 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 23493803680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28149206400).

23493803680 is an abundant number, since it is smaller than the sum of its proper divisors (32804609120).

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

23493803680 is a wasteful number, since it uses less digits than its factorization.

23493803680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 23493803680 in words is "twenty-three billion, four hundred ninety-three million, eight hundred three thousand, six hundred eighty".