298940023 has 4 divisors (see below), whose sum is σ = 298981368. Its totient is φ = 298898680.

The previous prime is 298940017. The next prime is 298940063. The reversal of 298940023 is 320049892.

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-298940023 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 (298940003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6661 + ... + 25342.

It is an arithmetic number, because the mean of its divisors is an integer number (74745342).

Almost surely, 2^298940023 is an apocalyptic number.

298940023 is a deficient number, since it is larger than the sum of its proper divisors (41345).

298940023 is an equidigital number, since it uses as much as digits as its factorization.

298940023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41344.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 298940023 is about 17289.8820990775. The cubic root of 298940023 is about 668.6435935399.

The spelling of 298940023 in words is "two hundred ninety-eight million, nine hundred forty thousand, twenty-three".