299023 has 4 divisors (see below), whose sum is σ = 312048. Its totient is φ = 286000.

The previous prime is 299017. The next prime is 299027. The reversal of 299023 is 320992.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299023 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 (299027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6478 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (78012).

2²⁹⁹⁰²³ is an apocalyptic number.

299023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

299023 is a deficient number, since it is larger than the sum of its proper divisors (13025).

299023 is a wasteful number, since it uses less digits than its factorization.

299023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 299023 is about 546.8299552877. The cubic root of 299023 is about 66.8705453113.

The spelling of 299023 in words is "two hundred ninety-nine thousand, twenty-three".