255423319 has 2 divisors, whose sum is σ = 255423320. Its totient is φ = 255423318.

The previous prime is 255423293. The next prime is 255423323. The reversal of 255423319 is 913324552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255423319 is a prime.

It is a super-2 number, since 2×255423319² = 130482143777951522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255423359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127711659 + 127711660.

It is an arithmetic number, because the mean of its divisors is an integer number (127711660).

Almost surely, 2^255423319 is an apocalyptic number.

255423319 is a deficient number, since it is larger than the sum of its proper divisors (1).

255423319 is an equidigital number, since it uses as much as digits as its factorization.

255423319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 255423319 is about 15981.9685583472. The cubic root of 255423319 is about 634.4832789814.

The spelling of 255423319 in words is "two hundred fifty-five million, four hundred twenty-three thousand, three hundred nineteen".