617023 has 4 divisors (see below), whose sum is σ = 673128. Its totient is φ = 560920.

The previous prime is 617011. The next prime is 617027. The reversal of 617023 is 320716.

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 617023 - 2⁵ = 616991 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 (617027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28036 + ... + 28057.

It is an arithmetic number, because the mean of its divisors is an integer number (168282).

2⁶¹⁷⁰²³ is an apocalyptic number.

617023 is a deficient number, since it is larger than the sum of its proper divisors (56105).

617023 is a wasteful number, since it uses less digits than its factorization.

617023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56104.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 617023 is about 785.5081158079. The cubic root of 617023 is about 85.1334926619.

Adding to 617023 its reverse (320716), we get a palindrome (937739).

The spelling of 617023 in words is "six hundred seventeen thousand, twenty-three".