23842421280 has 144 divisors (see below), whose sum is σ = 84375817344. Its totient is φ = 6357968640.

The previous prime is 23842421257. The next prime is 23842421297. The reversal of 23842421280 is 8212424832.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×23842421280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267736 + ... + 345495.

It is an arithmetic number, because the mean of its divisors is an integer number (585943176).

Almost surely, 2^23842421280 is an apocalyptic number.

23842421280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23842421280 is an abundant number, since it is smaller than the sum of its proper divisors (60533396064).

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

23842421280 is an equidigital number, since it uses as much as digits as its factorization.

23842421280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613261 (or 613241 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 23842421280 in words is "twenty-three billion, eight hundred forty-two million, four hundred twenty-one thousand, two hundred eighty".