23409812865792 has 144 divisors (see below), whose sum is σ = 62428361845248. Its totient is φ = 7787739648000.

The previous prime is 23409812865763. The next prime is 23409812865833. The reversal of 23409812865792 is 29756821890432.

It is a super-2 number, since 2×23409812865792² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930314203 + ... + 930339365.

It is an arithmetic number, because the mean of its divisors is an integer number (433530290592).

It is a 1-persistent number, because it is pandigital, but 2⋅23409812865792 = 46819625731584 is not.

Almost surely, 2^{23409812865792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23409812865792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31214180922624).

23409812865792 is an abundant number, since it is smaller than the sum of its proper divisors (39018548979456).

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

23409812865792 is a wasteful number, since it uses less digits than its factorization.

23409812865792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27546 (or 27532 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 23409812865792 in words is "twenty-three trillion, four hundred nine billion, eight hundred twelve million, eight hundred sixty-five thousand, seven hundred ninety-two".