23444203330040 has 64 divisors (see below), whose sum is σ = 56049725403360. Its totient is φ = 8794865479680.

The previous prime is 23444203329983. The next prime is 23444203330061. The reversal of 23444203330040 is 4003330244432.

It is a junction number, because it is equal to n+sod(n) for n = 23444203329979 and 23444203330006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60720581 + ... + 61105460.

Almost surely, 2^{23444203330040} is an apocalyptic number.

23444203330040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23444203330040 is an abundant number, since it is smaller than the sum of its proper divisors (32605522073320).

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

23444203330040 is a wasteful number, since it uses less digits than its factorization.

23444203330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121826352 (or 121826348 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 23444203330040 its reverse (4003330244432), we get a palindrome (27447533574472).

The spelling of 23444203330040 in words is "twenty-three trillion, four hundred forty-four billion, two hundred three million, three hundred thirty thousand, forty".