23231221213200 has 960 divisors, whose sum is σ = 102617650716672. Its totient is φ = 4335499468800.

The previous prime is 23231221213177. The next prime is 23231221213201. The reversal of 23231221213200 is 231212213232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23231221213201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44183049 + ... + 44705751.

Almost surely, 2^{23231221213200} is an apocalyptic number.

23231221213200 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 23231221213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51308825358336).

23231221213200 is an abundant number, since it is smaller than the sum of its proper divisors (79386429503472).

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

23231221213200 is a wasteful number, since it uses less digits than its factorization.

23231221213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522792 (or 522781 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23231221213200 its reverse (231212213232), we get a palindrome (23462433426432).

The spelling of 23231221213200 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred".