23212231200 has 216 divisors, whose sum is σ = 84065314788. Its totient is φ = 6022563840.

The previous prime is 23212231187. The next prime is 23212231213. The reversal of 23212231200 is 213221232.

23212231200 is a `hidden beast` number, since 2 + 321 + 223 + 120 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23212231187) and next prime (23212231213).

It can be written as a sum of positive squares in 6 ways, for example, as 14489418384 + 8722812816 = 120372^2 + 93396^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 222834 + ... + 309966.

Almost surely, 2^23212231200 is an apocalyptic number.

23212231200 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 23212231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42032657394).

23212231200 is an abundant number, since it is smaller than the sum of its proper divisors (60853083588).

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

23212231200 is a wasteful number, since it uses less digits than its factorization.

23212231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87196 (or 87180 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23212231200 its reverse (213221232), we get a palindrome (23425452432).

The spelling of 23212231200 in words is "twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred".