23779641312 has 384 divisors, whose sum is σ = 81517363200. Its totient is φ = 6603959808.

The previous prime is 23779641289. The next prime is 23779641313. The reversal of 23779641312 is 21314697732.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23779641313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36753373 + ... + 36754019.

It is an arithmetic number, because the mean of its divisors is an integer number (212284800).

Almost surely, 2^23779641312 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 23779641312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40758681600).

23779641312 is an abundant number, since it is smaller than the sum of its proper divisors (57737721888).

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

23779641312 is a wasteful number, since it uses less digits than its factorization.

23779641312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 821 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The spelling of 23779641312 in words is "twenty-three billion, seven hundred seventy-nine million, six hundred forty-one thousand, three hundred twelve".