23005512000 has 448 divisors, whose sum is σ = 85619539200. Its totient is φ = 6046617600.

The previous prime is 23005511989. The next prime is 23005512043. The reversal of 23005512000 is 21550032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15767271 + ... + 15768729.

Almost surely, 2^23005512000 is an apocalyptic number.

23005512000 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 23005512000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42809769600).

23005512000 is an abundant number, since it is smaller than the sum of its proper divisors (62614027200).

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

23005512000 is a wasteful number, since it uses less digits than its factorization.

23005512000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The spelling of 23005512000 in words is "twenty-three billion, five million, five hundred twelve thousand".