23443044040000 has 140 divisors (see below), whose sum is σ = 62602757020804. Its totient is φ = 8655892992000.

The previous prime is 23443044039973. The next prime is 23443044040019. The reversal of 23443044040000 is 4044034432.

It can be written as a sum of positive squares in 10 ways, for example, as 22057074678016 + 1385969361984 = 4696496^2 + 1177272^2 .

It is a super-2 number, since 2×23443044040000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22021389 + ... + 23061388.

Almost surely, 2^{23443044040000} is an apocalyptic number.

23443044040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23443044040000 is an abundant number, since it is smaller than the sum of its proper divisors (39159712980804).

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

23443044040000 is an equidigital number, since it uses as much as digits as its factorization.

23443044040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45082822 (or 45082797 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23443044040000 its reverse (4044034432), we get a palindrome (23447088074432).

The spelling of 23443044040000 in words is "twenty-three trillion, four hundred forty-three billion, forty-four million, forty thousand".