2140233 has 4 divisors (see below), whose sum is σ = 2853648. Its totient is φ = 1426820.

The previous prime is 2140231. The next prime is 2140253. The reversal of 2140233 is 3320412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140233 - 2¹ = 2140231 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140231) 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 3 ways as a sum of consecutive naturals, for example, 356703 + ... + 356708.

It is an arithmetic number, because the mean of its divisors is an integer number (713412).

2^2140233 is an apocalyptic number.

It is an amenable number.

2140233 is a deficient number, since it is larger than the sum of its proper divisors (713415).

2140233 is an equidigital number, since it uses as much as digits as its factorization.

2140233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713414.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2140233 is about 1462.9535194257. The cubic root of 2140233 is about 128.8705509924.

Adding to 2140233 its reverse (3320412), we get a palindrome (5460645).

It can be divided in two parts, 21402 and 33, that multiplied together give a triangular number (706266 = T₁₁₈₈).

The spelling of 2140233 in words is "two million, one hundred forty thousand, two hundred thirty-three".