23878329943412 has 576 divisors, whose sum is σ = 55335684096000. Its totient is φ = 8994010556160.

The previous prime is 23878329943409. The next prime is 23878329943487. The reversal of 23878329943412 is 21434992387832.

It is a super-2 number, since 2×23878329943412² (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 191 ways as a sum of consecutive naturals, for example, 38953229618 + ... + 38953230230.

It is an arithmetic number, because the mean of its divisors is an integer number (96068896000).

Almost surely, 2^{23878329943412} 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 23878329943412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27667842048000).

23878329943412 is an abundant number, since it is smaller than the sum of its proper divisors (31457354152588).

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

23878329943412 is a wasteful number, since it uses less digits than its factorization.

23878329943412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 774 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 65.

The spelling of 23878329943412 in words is "twenty-three trillion, eight hundred seventy-eight billion, three hundred twenty-nine million, nine hundred forty-three thousand, four hundred twelve".