231123419 has 2 divisors, whose sum is σ = 231123420. Its totient is φ = 231123418.

The previous prime is 231123413. The next prime is 231123421. The reversal of 231123419 is 914321132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231123419 - 2¹² = 231119323 is a prime.

It is a super-2 number, since 2×231123419² = 106836069620499122, which contains 22 as substring.

Together with 231123421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231123413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561709 + 115561710.

It is an arithmetic number, because the mean of its divisors is an integer number (115561710).

Almost surely, 2^231123419 is an apocalyptic number.

231123419 is a deficient number, since it is larger than the sum of its proper divisors (1).

231123419 is an equidigital number, since it uses as much as digits as its factorization.

231123419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 231123419 is about 15202.7437984069. The cubic root of 231123419 is about 613.6884991670.

The spelling of 231123419 in words is "two hundred thirty-one million, one hundred twenty-three thousand, four hundred nineteen".