2123272 has 16 divisors (see below), whose sum is σ = 4066560. Its totient is φ = 1038864.

The previous prime is 2123263. The next prime is 2123279. The reversal of 2123272 is 2723212.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2123279) 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, 2448 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (254160).

2^2123272 is an apocalyptic number.

It is an amenable number.

2123272 is a deficient number, since it is larger than the sum of its proper divisors (1943288).

2123272 is a wasteful number, since it uses less digits than its factorization.

2123272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 5696 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 2123272 is about 1457.1451540598. The cubic root of 2123272 is about 128.5292216545.

Adding to 2123272 its reverse (2723212), we get a palindrome (4846484).

The spelling of 2123272 in words is "two million, one hundred twenty-three thousand, two hundred seventy-two".