255434923 has 2 divisors, whose sum is σ = 255434924. Its totient is φ = 255434922.

The previous prime is 255434899. The next prime is 255434981. The reversal of 255434923 is 329434552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255434923 - 2⁵ = 255434891 is a prime.

It is not a weakly prime, because it can be changed into another prime (255434623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127717461 + 127717462.

It is an arithmetic number, because the mean of its divisors is an integer number (127717462).

Almost surely, 2^255434923 is an apocalyptic number.

255434923 is a deficient number, since it is larger than the sum of its proper divisors (1).

255434923 is an equidigital number, since it uses as much as digits as its factorization.

255434923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 255434923 is about 15982.3315883509. The cubic root of 255434923 is about 634.4928871259.

The spelling of 255434923 in words is "two hundred fifty-five million, four hundred thirty-four thousand, nine hundred twenty-three".