255023243 has 2 divisors, whose sum is σ = 255023244. Its totient is φ = 255023242.

The previous prime is 255023213. The next prime is 255023257. The reversal of 255023243 is 342320552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255023243 - 2¹⁴ = 255006859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (255023213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127511621 + 127511622.

It is an arithmetic number, because the mean of its divisors is an integer number (127511622).

Almost surely, 2^255023243 is an apocalyptic number.

255023243 is a deficient number, since it is larger than the sum of its proper divisors (1).

255023243 is an equidigital number, since it uses as much as digits as its factorization.

255023243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 255023243 is about 15969.4471726482. The cubic root of 255023243 is about 634.1518368072.

Adding to 255023243 its reverse (342320552), we get a palindrome (597343795).

The spelling of 255023243 in words is "two hundred fifty-five million, twenty-three thousand, two hundred forty-three".