23208425856 has 480 divisors, whose sum is σ = 87669422280. Its totient is φ = 6026711040.

The previous prime is 23208425833. The next prime is 23208425893. The reversal of 23208425856 is 65852480232.

23208425856 is a `hidden beast` number, since 2 + 3 + 20 + 8 + 42 + 585 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5586276 + ... + 5590428.

Almost surely, 2^23208425856 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 23208425856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43834711140).

23208425856 is an abundant number, since it is smaller than the sum of its proper divisors (64460996424).

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

23208425856 is a wasteful number, since it uses less digits than its factorization.

23208425856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 23208425856 in words is "twenty-three billion, two hundred eight million, four hundred twenty-five thousand, eight hundred fifty-six".