23425457880 has 128 divisors (see below), whose sum is σ = 76943105280. Its totient is φ = 5658309120.

The previous prime is 23425457879. The next prime is 23425457893. The reversal of 23425457880 is 8875452432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333607 + ... + 397673.

It is an arithmetic number, because the mean of its divisors is an integer number (601118010).

Almost surely, 2^23425457880 is an apocalyptic number.

23425457880 is a gapful number since it is divisible by the number (20) 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 23425457880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38471552640).

23425457880 is an abundant number, since it is smaller than the sum of its proper divisors (53517647400).

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

23425457880 is a wasteful number, since it uses less digits than its factorization.

23425457880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64369 (or 64365 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 23425457880 in words is "twenty-three billion, four hundred twenty-five million, four hundred fifty-seven thousand, eight hundred eighty".