259423323 has 4 divisors (see below), whose sum is σ = 345897768. Its totient is φ = 172948880.

The previous prime is 259423291. The next prime is 259423369. The reversal of 259423323 is 323324952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 259423323 - 2⁵ = 259423291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259424323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43237218 + ... + 43237223.

It is an arithmetic number, because the mean of its divisors is an integer number (86474442).

Almost surely, 2^259423323 is an apocalyptic number.

259423323 is a deficient number, since it is larger than the sum of its proper divisors (86474445).

259423323 is an equidigital number, since it uses as much as digits as its factorization.

259423323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86474444.

The product of its digits is 38880, while the sum is 33.

The square root of 259423323 is about 16106.6235754115. The cubic root of 259423323 is about 637.7782032196.

The spelling of 259423323 in words is "two hundred fifty-nine million, four hundred twenty-three thousand, three hundred twenty-three".