23302100421440 has 28 divisors (see below), whose sum is σ = 55488126629316. Its totient is φ = 9320840168448.

The previous prime is 23302100421437. The next prime is 23302100421469. The reversal of 23302100421440 is 4412400120332.

It can be written as a sum of positive squares in 2 ways, for example, as 3298379028736 + 20003721392704 = 1816144^2 + 4472552^2 .

It is a super-2 number, since 2×23302100421440² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 36409531589 + ... + 36409532228.

Almost surely, 2^{23302100421440} is an apocalyptic number.

23302100421440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23302100421440 is an abundant number, since it is smaller than the sum of its proper divisors (32186026207876).

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

23302100421440 is an equidigital number, since it uses as much as digits as its factorization.

23302100421440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72819063834 (or 72819063824 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23302100421440 its reverse (4412400120332), we get a palindrome (27714500541772).

The spelling of 23302100421440 in words is "twenty-three trillion, three hundred two billion, one hundred million, four hundred twenty-one thousand, four hundred forty".