2051243323 has 4 divisors (see below), whose sum is σ = 2066216040. Its totient is φ = 2036270608.

The previous prime is 2051243317. The next prime is 2051243347. The reversal of 2051243323 is 3233421502.

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-2051243323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051243723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7486153 + ... + 7486426.

It is an arithmetic number, because the mean of its divisors is an integer number (516554010).

Almost surely, 2^2051243323 is an apocalyptic number.

2051243323 is a deficient number, since it is larger than the sum of its proper divisors (14972717).

2051243323 is a wasteful number, since it uses less digits than its factorization.

2051243323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972716.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2051243323 is about 45290.6538151085. The cubic root of 2051243323 is about 1270.5908596658.

Adding to 2051243323 its reverse (3233421502), we get a palindrome (5284664825).

The spelling of 2051243323 in words is "two billion, fifty-one million, two hundred forty-three thousand, three hundred twenty-three".