2123297 has 12 divisors (see below), whose sum is σ = 2406096. Its totient is φ = 1857240.

The previous prime is 2123281. The next prime is 2123309. The reversal of 2123297 is 7923212.

It is not a de Polignac number, because 2123297 - 2⁴ = 2123281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123237) 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 11 ways as a sum of consecutive naturals, for example, 31658 + ... + 31724.

It is an arithmetic number, because the mean of its divisors is an integer number (200508).

2^2123297 is an apocalyptic number.

It is an amenable number.

2123297 is a deficient number, since it is larger than the sum of its proper divisors (282799).

2123297 is an equidigital number, since it uses as much as digits as its factorization.

2123297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 121 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 2123297 is about 1457.1537324524. The cubic root of 2123297 is about 128.5297260989.

The spelling of 2123297 in words is "two million, one hundred twenty-three thousand, two hundred ninety-seven".