259217023 has 16 divisors (see below), whose sum is σ = 283118976. Its totient is φ = 235905120.

The previous prime is 259217017. The next prime is 259217041. The reversal of 259217023 is 320712952.

It is a cyclic number.

It is not a de Polignac number, because 259217023 - 2²¹ = 257119871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259217083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460140 + ... + 460702.

It is an arithmetic number, because the mean of its divisors is an integer number (17694936).

Almost surely, 2^259217023 is an apocalyptic number.

259217023 is a deficient number, since it is larger than the sum of its proper divisors (23901953).

259217023 is a wasteful number, since it uses less digits than its factorization.

259217023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 259217023 is about 16100.2181041128. The cubic root of 259217023 is about 637.6090992571.

Adding to 259217023 its reverse (320712952), we get a palindrome (579929975).

The spelling of 259217023 in words is "two hundred fifty-nine million, two hundred seventeen thousand, twenty-three".