2303044013 has 4 divisors (see below), whose sum is σ = 2303339580. Its totient is φ = 2302748448.

The previous prime is 2303043949. The next prime is 2303044049. The reversal of 2303044013 is 3104403032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1937584324 + 365459689 = 44018^2 + 19117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303044013 - 2⁶ = 2303043949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303014013) 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, 135770 + ... + 151787.

It is an arithmetic number, because the mean of its divisors is an integer number (575834895).

Almost surely, 2^2303044013 is an apocalyptic number.

It is an amenable number.

2303044013 is a deficient number, since it is larger than the sum of its proper divisors (295567).

2303044013 is an equidigital number, since it uses as much as digits as its factorization.

2303044013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295566.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2303044013 is about 47990.0407688929. The cubic root of 2303044013 is about 1320.5882007031.

Adding to 2303044013 its reverse (3104403032), we get a palindrome (5407447045).

The spelling of 2303044013 in words is "two billion, three hundred three million, forty-four thousand, thirteen".