11231939 has 2 divisors, whose sum is σ = 11231940. Its totient is φ = 11231938.

The previous prime is 11231933. The next prime is 11231959. The reversal of 11231939 is 93913211.

11231939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11231939 - 2⁴ = 11231923 is a prime.

It is not a weakly prime, because it can be changed into another prime (11231933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615969 + 5615970.

It is an arithmetic number, because the mean of its divisors is an integer number (5615970).

Almost surely, 2^11231939 is an apocalyptic number.

11231939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231939 is an equidigital number, since it uses as much as digits as its factorization.

11231939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 11231939 is about 3351.4085098657. The cubic root of 11231939 is about 223.9502639895.

The spelling of 11231939 in words is "eleven million, two hundred thirty-one thousand, nine hundred thirty-nine".