2303729 has 2 divisors, whose sum is σ = 2303730. Its totient is φ = 2303728.

The previous prime is 2303723. The next prime is 2303753. The reversal of 2303729 is 9273032.

2303729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2096704 + 207025 = 1448^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303729 - 2⁴ = 2303713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2303698 and 2303707.

It is not a weakly prime, because it can be changed into another prime (2303723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151864 + 1151865.

It is an arithmetic number, because the mean of its divisors is an integer number (1151865).

2^2303729 is an apocalyptic number.

It is an amenable number.

2303729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303729 is an equidigital number, since it uses as much as digits as its factorization.

2303729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2303729 is about 1517.8040057926. The cubic root of 2303729 is about 132.0719113830.

The spelling of 2303729 in words is "two million, three hundred three thousand, seven hundred twenty-nine".