2043412243 has 4 divisors (see below), whose sum is σ = 2093251608. Its totient is φ = 1993572880.

The previous prime is 2043412193. The next prime is 2043412271. The reversal of 2043412243 is 3422143402.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043412243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043418243) 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, 24919621 + ... + 24919702.

It is an arithmetic number, because the mean of its divisors is an integer number (523312902).

Almost surely, 2^2043412243 is an apocalyptic number.

2043412243 is a deficient number, since it is larger than the sum of its proper divisors (49839365).

2043412243 is an equidigital number, since it uses as much as digits as its factorization.

2043412243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49839364.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2043412243 is about 45204.1175447547. The cubic root of 2043412243 is about 1268.9718760760.

Adding to 2043412243 its reverse (3422143402), we get a palindrome (5465555645).

The spelling of 2043412243 in words is "two billion, forty-three million, four hundred twelve thousand, two hundred forty-three".