23896749012 has 48 divisors (see below), whose sum is σ = 57813571200. Its totient is φ = 7673339520.

The previous prime is 23896748977. The next prime is 23896749013. The reversal of 23896749012 is 21094769832.

It is a super-2 number, since 2×23896749012² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23896749013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74562 + ... + 230982.

It is an arithmetic number, because the mean of its divisors is an integer number (1204449400).

Almost surely, 2^23896749012 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 23896749012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28906785600).

23896749012 is an abundant number, since it is smaller than the sum of its proper divisors (33916822188).

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

23896749012 is a wasteful number, since it uses less digits than its factorization.

23896749012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156896 (or 156894 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 23896749012 in words is "twenty-three billion, eight hundred ninety-six million, seven hundred forty-nine thousand, twelve".