2298623 has 4 divisors (see below), whose sum is σ = 2314200. Its totient is φ = 2283048.

The previous prime is 2298613. The next prime is 2298631. The reversal of 2298623 is 3268922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3268922 = 2 ⋅1634461.

It is a cyclic number.

It is not a de Polignac number, because 2298623 - 2⁴ = 2298607 is a prime.

It is a super-2 number, since 2×2298623² = 10567335392258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2298623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7565 + ... + 7862.

It is an arithmetic number, because the mean of its divisors is an integer number (578550).

2^2298623 is an apocalyptic number.

2298623 is a deficient number, since it is larger than the sum of its proper divisors (15577).

2298623 is a wasteful number, since it uses less digits than its factorization.

2298623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15576.

The product of its digits is 10368, while the sum is 32.

The square root of 2298623 is about 1516.1210373845. The cubic root of 2298623 is about 131.9742641899.

Subtracting 2298623 from its reverse (3268922), we obtain a cube (970299 = 99³).

The spelling of 2298623 in words is "two million, two hundred ninety-eight thousand, six hundred twenty-three".