23555532000 has 1536 divisors, whose sum is σ = 108418093056. Its totient is φ = 4313088000.

The previous prime is 23555531999. The next prime is 23555532019. The reversal of 23555532000 is 23555532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 444443974 + ... + 444444026.

It is an arithmetic number, because the mean of its divisors is an integer number (70584696).

Almost surely, 2^23555532000 is an apocalyptic number.

23555532000 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 23555532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54209046528).

23555532000 is an abundant number, since it is smaller than the sum of its proper divisors (84862561056).

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

23555532000 is a wasteful number, since it uses less digits than its factorization.

23555532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

23555532000 divided by its reverse (23555532) gives a cube (1000 = 10³).

It can be divided in two parts, 23555 and 532000, that added together give a palindrome (555555).

The spelling of 23555532000 in words is "twenty-three billion, five hundred fifty-five million, five hundred thirty-two thousand".