11089239923 has 2 divisors, whose sum is σ = 11089239924. Its totient is φ = 11089239922.

The previous prime is 11089239913. The next prime is 11089239937. The reversal of 11089239923 is 32993298011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11089239923 is a prime.

It is not a weakly prime, because it can be changed into another prime (11089239913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5544619961 + 5544619962.

It is an arithmetic number, because the mean of its divisors is an integer number (5544619962).

Almost surely, 2^11089239923 is an apocalyptic number.

11089239923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11089239923 is an equidigital number, since it uses as much as digits as its factorization.

11089239923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 11089239923 in words is "eleven billion, eighty-nine million, two hundred thirty-nine thousand, nine hundred twenty-three".