23231213200 has 180 divisors, whose sum is σ = 60657962508. Its totient is φ = 8546304000.

The previous prime is 23231213197. The next prime is 23231213207. The reversal of 23231213200 is 231213232.

It can be written as a sum of positive squares in 18 ways, for example, as 10089800704 + 13141412496 = 100448^2 + 114636^2 .

It is not an unprimeable number, because it can be changed into a prime (23231213207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27107172 + ... + 27108028.

Almost surely, 2^23231213200 is an apocalyptic number.

23231213200 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 23231213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30328981254).

23231213200 is an abundant number, since it is smaller than the sum of its proper divisors (37426749308).

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

23231213200 is a wasteful number, since it uses less digits than its factorization.

23231213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23231213200 its reverse (231213232), we get a palindrome (23462426432).

The spelling of 23231213200 in words is "twenty-three billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred".