255331423 has 2 divisors, whose sum is σ = 255331424. Its totient is φ = 255331422.

The previous prime is 255331411. The next prime is 255331459. The reversal of 255331423 is 324133552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255331423 - 2²⁵ = 221776991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255331391 and 255331400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255331403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127665711 + 127665712.

It is an arithmetic number, because the mean of its divisors is an integer number (127665712).

Almost surely, 2^255331423 is an apocalyptic number.

255331423 is a deficient number, since it is larger than the sum of its proper divisors (1).

255331423 is an equidigital number, since it uses as much as digits as its factorization.

255331423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 255331423 is about 15979.0933096969. The cubic root of 255331423 is about 634.4071785565.

Adding to 255331423 its reverse (324133552), we get a palindrome (579464975).

The spelling of 255331423 in words is "two hundred fifty-five million, three hundred thirty-one thousand, four hundred twenty-three".