23985239412 has 144 divisors (see below), whose sum is σ = 60659565120. Its totient is φ = 7373611008.

The previous prime is 23985239407. The next prime is 23985239441. The reversal of 23985239412 is 21493258932.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40446988 + ... + 40447580.

It is an arithmetic number, because the mean of its divisors is an integer number (421246980).

Almost surely, 2^23985239412 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 23985239412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30329782560).

23985239412 is an abundant number, since it is smaller than the sum of its proper divisors (36674325708).

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

23985239412 is a wasteful number, since it uses less digits than its factorization.

23985239412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 831 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 23985239412 in words is "twenty-three billion, nine hundred eighty-five million, two hundred thirty-nine thousand, four hundred twelve".