2042503243 has 4 divisors (see below), whose sum is σ = 2228185368. Its totient is φ = 1856821120.

The previous prime is 2042503237. The next prime is 2042503261. The reversal of 2042503243 is 3423052402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2042503243 - 2²¹ = 2040406091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042503343) 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, 92841046 + ... + 92841067.

It is an arithmetic number, because the mean of its divisors is an integer number (557046342).

Almost surely, 2^2042503243 is an apocalyptic number.

2042503243 is a deficient number, since it is larger than the sum of its proper divisors (185682125).

2042503243 is a wasteful number, since it uses less digits than its factorization.

2042503243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185682124.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2042503243 is about 45194.0620325281. The cubic root of 2042503243 is about 1268.7836832589.

Adding to 2042503243 its reverse (3423052402), we get a palindrome (5465555645).

The spelling of 2042503243 in words is "two billion, forty-two million, five hundred three thousand, two hundred forty-three".