13223231700 has 288 divisors, whose sum is σ = 44745136128. Its totient is φ = 2952768000.

The previous prime is 13223231699. The next prime is 13223231701. The reversal of 13223231700 is 713232231.

It is an interprime number because it is at equal distance from previous prime (13223231699) and next prime (13223231701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223231701) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19531762 + ... + 19532438.

It is an arithmetic number, because the mean of its divisors is an integer number (155365056).

Almost surely, 2^13223231700 is an apocalyptic number.

13223231700 is a gapful number since it is divisible by the number (10) 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 13223231700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22372568064).

13223231700 is an abundant number, since it is smaller than the sum of its proper divisors (31521904428).

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

13223231700 is a wasteful number, since it uses less digits than its factorization.

13223231700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

Adding to 13223231700 its reverse (713232231), we get a palindrome (13936463931).

The spelling of 13223231700 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, seven hundred".