2043323011 has 4 divisors (see below), whose sum is σ = 2043532224. Its totient is φ = 2043113800.

The previous prime is 2043323003. The next prime is 2043323017. The reversal of 2043323011 is 1103233402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103233402 = 2 ⋅551616701.

It is a cyclic number.

It is not a de Polignac number, because 2043323011 - 2³ = 2043323003 is a prime.

It is a super-2 number, since 2×2043323011² = 8350337854564212242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043323011.

It is not an unprimeable number, because it can be changed into a prime (2043323017) 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, 89200 + ... + 109741.

It is an arithmetic number, because the mean of its divisors is an integer number (510883056).

Almost surely, 2^2043323011 is an apocalyptic number.

2043323011 is a deficient number, since it is larger than the sum of its proper divisors (209213).

2043323011 is a wasteful number, since it uses less digits than its factorization.

2043323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209212.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2043323011 is about 45203.1305442444. The cubic root of 2043323011 is about 1268.9534045957.

Adding to 2043323011 its reverse (1103233402), we get a palindrome (3146556413).

The spelling of 2043323011 in words is "two billion, forty-three million, three hundred twenty-three thousand, eleven".