11431223459 has 2 divisors, whose sum is σ = 11431223460. Its totient is φ = 11431223458.

The previous prime is 11431223413. The next prime is 11431223467. The reversal of 11431223459 is 95432213411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11431223459 - 2³² = 7136256163 is a prime.

It is not a weakly prime, because it can be changed into another prime (11431223059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715611729 + 5715611730.

It is an arithmetic number, because the mean of its divisors is an integer number (5715611730).

Almost surely, 2^11431223459 is an apocalyptic number.

11431223459 is a deficient number, since it is larger than the sum of its proper divisors (1).

11431223459 is an equidigital number, since it uses as much as digits as its factorization.

11431223459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The spelling of 11431223459 in words is "eleven billion, four hundred thirty-one million, two hundred twenty-three thousand, four hundred fifty-nine".