11233230989 has 2 divisors, whose sum is σ = 11233230990. Its totient is φ = 11233230988.

The previous prime is 11233230961. The next prime is 11233231057. The reversal of 11233230989 is 98903233211.

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., 8941215364 + 2292015625 = 94558^2 + 47875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11233230989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11233230089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616615494 + 5616615495.

It is an arithmetic number, because the mean of its divisors is an integer number (5616615495).

Almost surely, 2^11233230989 is an apocalyptic number.

It is an amenable number.

11233230989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233230989 is an equidigital number, since it uses as much as digits as its factorization.

11233230989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 11233230989 in words is "eleven billion, two hundred thirty-three million, two hundred thirty thousand, nine hundred eighty-nine".