11231223319 has 2 divisors, whose sum is σ = 11231223320. Its totient is φ = 11231223318.

The previous prime is 11231223313. The next prime is 11231223343. The reversal of 11231223319 is 91332213211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11231223319 - 2⁵ = 11231223287 is a prime.

It is a super-2 number, since 2×11231223319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231223313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615611659 + 5615611660.

It is an arithmetic number, because the mean of its divisors is an integer number (5615611660).

Almost surely, 2^11231223319 is an apocalyptic number.

11231223319 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231223319 is an equidigital number, since it uses as much as digits as its factorization.

11231223319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The spelling of 11231223319 in words is "eleven billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred nineteen".