13223121230 has 32 divisors (see below), whose sum is σ = 26057213568. Its totient is φ = 4791405600.

The previous prime is 13223121229. The next prime is 13223121253. The reversal of 13223121230 is 3212132231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181256 + ... + 243515.

It is an arithmetic number, because the mean of its divisors is an integer number (814287924).

Almost surely, 2^13223121230 is an apocalyptic number.

13223121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13223121230 is a deficient number, since it is larger than the sum of its proper divisors (12834092338).

13223121230 is a wasteful number, since it uses less digits than its factorization.

13223121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425072.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13223121230 its reverse (3212132231), we get a palindrome (16435253461).

The spelling of 13223121230 in words is "thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty".