23256489152 has 56 divisors (see below), whose sum is σ = 49747060272. Its totient is φ = 10723507200.

The previous prime is 23256489149. The next prime is 23256489203. The reversal of 23256489152 is 25198465232.

It is a junction number, because it is equal to n+sod(n) for n = 23256489097 and 23256489106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894902 + ... + 920522.

It is an arithmetic number, because the mean of its divisors is an integer number (888340362).

Almost surely, 2^23256489152 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 23256489152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24873530136).

23256489152 is an abundant number, since it is smaller than the sum of its proper divisors (26490571120).

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

23256489152 is a wasteful number, since it uses less digits than its factorization.

23256489152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26737 (or 26727 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The spelling of 23256489152 in words is "twenty-three billion, two hundred fifty-six million, four hundred eighty-nine thousand, one hundred fifty-two".