23230312200 has 144 divisors (see below), whose sum is σ = 78086045700. Its totient is φ = 6189120000.

The previous prime is 23230312187. The next prime is 23230312213. The reversal of 23230312200 is 221303232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23230312187) and next prime (23230312213).

It can be written as a sum of positive squares in 6 ways, for example, as 13645510596 + 9584801604 = 116814^2 + 97902^2 .

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, 2206950 + ... + 2217450.

Almost surely, 2^23230312200 is an apocalyptic number.

23230312200 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 23230312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39043022850).

23230312200 is an abundant number, since it is smaller than the sum of its proper divisors (54855733500).

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

23230312200 is a wasteful number, since it uses less digits than its factorization.

23230312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11752 (or 11740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23230312200 its reverse (221303232), we get a palindrome (23451615432).

The spelling of 23230312200 in words is "twenty-three billion, two hundred thirty million, three hundred twelve thousand, two hundred".