8257435423 has 2 divisors, whose sum is σ = 8257435424. Its totient is φ = 8257435422.

The previous prime is 8257435393. The next prime is 8257435441. The reversal of 8257435423 is 3245347528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8257435423 - 2²⁵ = 8223880991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8257435423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8257435723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128717711 + 4128717712.

It is an arithmetic number, because the mean of its divisors is an integer number (4128717712).

Almost surely, 2^8257435423 is an apocalyptic number.

8257435423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8257435423 is an equidigital number, since it uses as much as digits as its factorization.

8257435423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 43.

The square root of 8257435423 is about 90870.4320612596. The cubic root of 8257435423 is about 2021.2268649851.

The spelling of 8257435423 in words is "eight billion, two hundred fifty-seven million, four hundred thirty-five thousand, four hundred twenty-three".