13223402140 has 96 divisors (see below), whose sum is σ = 31120911360. Its totient is φ = 4687877376.

The previous prime is 13223402113. The next prime is 13223402147. The reversal of 13223402140 is 4120432231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223402147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649597 + ... + 669643.

It is an arithmetic number, because the mean of its divisors is an integer number (324176160).

Almost surely, 2^13223402140 is an apocalyptic number.

13223402140 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 13223402140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15560455680).

13223402140 is an abundant number, since it is smaller than the sum of its proper divisors (17897509220).

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

13223402140 is a wasteful number, since it uses less digits than its factorization.

13223402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171 (or 20169 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13223402140 its reverse (4120432231), we get a palindrome (17343834371).

The spelling of 13223402140 in words is "thirteen billion, two hundred twenty-three million, four hundred two thousand, one hundred forty".