11623221413 has 2 divisors, whose sum is σ = 11623221414. Its totient is φ = 11623221412.

The previous prime is 11623221347. The next prime is 11623221503. The reversal of 11623221413 is 31412232611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7174598209 + 4448623204 = 84703^2 + 66698^2 .

It is an emirp because it is prime and its reverse (31412232611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11623221413 - 2⁸ = 11623221157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11623221713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811610706 + 5811610707.

It is an arithmetic number, because the mean of its divisors is an integer number (5811610707).

Almost surely, 2^11623221413 is an apocalyptic number.

It is an amenable number.

11623221413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11623221413 is an equidigital number, since it uses as much as digits as its factorization.

11623221413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The spelling of 11623221413 in words is "eleven billion, six hundred twenty-three million, two hundred twenty-one thousand, four hundred thirteen".