2123299 has 4 divisors (see below), whose sum is σ = 2128536. Its totient is φ = 2118064.

The previous prime is 2123281. The next prime is 2123309. The reversal of 2123299 is 9923212.

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 2123299 - 2¹³ = 2115107 is a prime.

It is a Duffinian number.

2123299 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2123239) 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, 1954 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (532134).

2^2123299 is an apocalyptic number.

2123299 is a deficient number, since it is larger than the sum of its proper divisors (5237).

2123299 is an equidigital number, since it uses as much as digits as its factorization.

2123299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236.

The product of its digits is 1944, while the sum is 28.

The square root of 2123299 is about 1457.1544187216. The cubic root of 2123299 is about 128.5297664543.

The spelling of 2123299 in words is "two million, one hundred twenty-three thousand, two hundred ninety-nine".