255923543 has 2 divisors, whose sum is σ = 255923544. Its totient is φ = 255923542.

The previous prime is 255923537. The next prime is 255923567. The reversal of 255923543 is 345329552.

255923543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255923543 - 2¹⁰ = 255922519 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 255923497 and 255923506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255920543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127961771 + 127961772.

It is an arithmetic number, because the mean of its divisors is an integer number (127961772).

Almost surely, 2^255923543 is an apocalyptic number.

255923543 is a deficient number, since it is larger than the sum of its proper divisors (1).

255923543 is an equidigital number, since it uses as much as digits as its factorization.

255923543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 38.

The square root of 255923543 is about 15997.6105403276. The cubic root of 255923543 is about 634.8972020337.

The spelling of 255923543 in words is "two hundred fifty-five million, nine hundred twenty-three thousand, five hundred forty-three".