2043243 has 6 divisors (see below), whose sum is σ = 2951364. Its totient is φ = 1362156.

The previous prime is 2043199. The next prime is 2043257. The reversal of 2043243 is 3423402.

It is not a de Polignac number, because 2043243 - 2¹⁸ = 1781099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2044243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113505 + ... + 113522.

It is an arithmetic number, because the mean of its divisors is an integer number (491894).

2^2043243 is an apocalyptic number.

2043243 is a deficient number, since it is larger than the sum of its proper divisors (908121).

2043243 is a wasteful number, since it uses less digits than its factorization.

2043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227033 (or 227030 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2043243 is about 1429.4205119558. The cubic root of 2043243 is about 126.8936841452.

Adding to 2043243 its reverse (3423402), we get a palindrome (5466645).

The spelling of 2043243 in words is "two million, forty-three thousand, two hundred forty-three".