13223604137 has 2 divisors, whose sum is σ = 13223604138. Its totient is φ = 13223604136.

The previous prime is 13223604127. The next prime is 13223604157. The reversal of 13223604137 is 73140632231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10253790121 + 2969814016 = 101261^2 + 54496^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223604137 - 2¹² = 13223600041 is a prime.

It is not a weakly prime, because it can be changed into another prime (13223604127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611802068 + 6611802069.

It is an arithmetic number, because the mean of its divisors is an integer number (6611802069).

Almost surely, 2^13223604137 is an apocalyptic number.

It is an amenable number.

13223604137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223604137 is an equidigital number, since it uses as much as digits as its factorization.

13223604137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 13223604137 in words is "thirteen billion, two hundred twenty-three million, six hundred four thousand, one hundred thirty-seven".