11323229999 has 2 divisors, whose sum is σ = 11323230000. Its totient is φ = 11323229998.

The previous prime is 11323229977. The next prime is 11323230019. The reversal of 11323229999 is 99992232311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11323229999 is a prime.

It is a super-2 number, since 2×11323229999² (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 (11323229959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661614999 + 5661615000.

It is an arithmetic number, because the mean of its divisors is an integer number (5661615000).

Almost surely, 2^11323229999 is an apocalyptic number.

11323229999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323229999 is an equidigital number, since it uses as much as digits as its factorization.

11323229999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 50.

The spelling of 11323229999 in words is "eleven billion, three hundred twenty-three million, two hundred twenty-nine thousand, nine hundred ninety-nine".