2998123 has 4 divisors (see below), whose sum is σ = 3002920. Its totient is φ = 2993328.

The previous prime is 2998111. The next prime is 2998133. The reversal of 2998123 is 3218992.

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 2998123 - 2²¹ = 900971 is a prime.

It is a Duffinian number.

2998123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2998133) 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, 1290 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (750730).

2^2998123 is an apocalyptic number.

2998123 is a deficient number, since it is larger than the sum of its proper divisors (4797).

2998123 is an equidigital number, since it uses as much as digits as its factorization.

2998123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its digits is 7776, while the sum is 34.

The square root of 2998123 is about 1731.5088795614. The cubic root of 2998123 is about 144.1948718394.

The spelling of 2998123 in words is "two million, nine hundred ninety-eight thousand, one hundred twenty-three".