259147423 has 2 divisors, whose sum is σ = 259147424. Its totient is φ = 259147422.

The previous prime is 259147409. The next prime is 259147487. The reversal of 259147423 is 324741952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259147423 - 2²¹ = 257050271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259147123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129573711 + 129573712.

It is an arithmetic number, because the mean of its divisors is an integer number (129573712).

Almost surely, 2^259147423 is an apocalyptic number.

259147423 is a deficient number, since it is larger than the sum of its proper divisors (1).

259147423 is an equidigital number, since it uses as much as digits as its factorization.

259147423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 259147423 is about 16098.0564976024. The cubic root of 259147423 is about 637.5520279465.

The spelling of 259147423 in words is "two hundred fifty-nine million, one hundred forty-seven thousand, four hundred twenty-three".