2304400013 has 4 divisors (see below), whose sum is σ = 2307886908. Its totient is φ = 2300913120.

The previous prime is 2304400003. The next prime is 2304400019. The reversal of 2304400013 is 3100044032.

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 766348489 + 1538051524 = 27683^2 + 39218^2 .

It is a cyclic number.

It is not a de Polignac number, because 2304400013 - 2¹⁴ = 2304383629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2304399964 and 2304400000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304400019) 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, 1742456 + ... + 1743777.

It is an arithmetic number, because the mean of its divisors is an integer number (576971727).

Almost surely, 2^2304400013 is an apocalyptic number.

It is an amenable number.

2304400013 is a deficient number, since it is larger than the sum of its proper divisors (3486895).

2304400013 is an equidigital number, since it uses as much as digits as its factorization.

2304400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486894.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2304400013 is about 48004.1666212424. The cubic root of 2304400013 is about 1320.8473311200.

Adding to 2304400013 its reverse (3100044032), we get a palindrome (5404444045).

The spelling of 2304400013 in words is "two billion, three hundred four million, four hundred thousand, thirteen".