23753885428 has 72 divisors (see below), whose sum is σ = 52275307392. Its totient is φ = 9361146816.

The previous prime is 23753885383. The next prime is 23753885429. The reversal of 23753885428 is 82458835732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23753885429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652401 + ... + 687847.

It is an arithmetic number, because the mean of its divisors is an integer number (726045936).

Almost surely, 2^23753885428 is an apocalyptic number.

23753885428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23753885428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26137653696).

23753885428 is an abundant number, since it is smaller than the sum of its proper divisors (28521421964).

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

23753885428 is a wasteful number, since it uses less digits than its factorization.

23753885428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35741 (or 35732 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 55.

The spelling of 23753885428 in words is "twenty-three billion, seven hundred fifty-three million, eight hundred eighty-five thousand, four hundred twenty-eight".