23913581999040 has 168 divisors, whose sum is σ = 85828965195168. Its totient is φ = 6099696261120.

The previous prime is 23913581999029. The next prime is 23913581999129. The reversal of 23913581999040 is 4099918531932.

23913581999040 is a `hidden beast` number, since 2 + 3 + 9 + 1 + 3 + 581 + 9 + 9 + 9 + 0 + 40 = 666.

It is a congruent number.

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, 180440871 + ... + 180573350.

Almost surely, 2^{23913581999040} is an apocalyptic number.

23913581999040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23913581999040 is an abundant number, since it is smaller than the sum of its proper divisors (61915383196128).

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

23913581999040 is a wasteful number, since it uses less digits than its factorization.

23913581999040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361014267 (or 361014254 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 23913581999040 in words is "twenty-three trillion, nine hundred thirteen billion, five hundred eighty-one million, nine hundred ninety-nine thousand, forty".