2123433 has 12 divisors (see below), whose sum is σ = 3303300. Its totient is φ = 1306656.

The previous prime is 2123423. The next prime is 2123461. The reversal of 2123433 is 3343212.

It can be written as a sum of positive squares in 2 ways, for example, as 451584 + 1671849 = 672^2 + 1293^2 .

It is not a de Polignac number, because 2123433 - 2⁶ = 2123369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8958 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (275275).

2^2123433 is an apocalyptic number.

It is an amenable number.

2123433 is a deficient number, since it is larger than the sum of its proper divisors (1179867).

2123433 is a wasteful number, since it uses less digits than its factorization.

2123433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168 (or 18165 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 2123433 is about 1457.2003980236. The cubic root of 2123433 is about 128.5324702070.

Adding to 2123433 its reverse (3343212), we get a palindrome (5466645).

It can be divided in two parts, 2123 and 433, that added together give a triangular number (2556 = T₇₁).

The spelling of 2123433 in words is "two million, one hundred twenty-three thousand, four hundred thirty-three".