2303428573 has 4 divisors (see below), whose sum is σ = 2303614908. Its totient is φ = 2303242240.

The previous prime is 2303428531. The next prime is 2303428579. The reversal of 2303428573 is 3758243032.

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 1004763204 + 1298665369 = 31698^2 + 36037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2303428573 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 (2303428579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73198 + ... + 99823.

It is an arithmetic number, because the mean of its divisors is an integer number (575903727).

Almost surely, 2^2303428573 is an apocalyptic number.

It is an amenable number.

2303428573 is a deficient number, since it is larger than the sum of its proper divisors (186335).

2303428573 is a wasteful number, since it uses less digits than its factorization.

2303428573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186334.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2303428573 is about 47994.0472663017. The cubic root of 2303428573 is about 1320.6617001140.

The spelling of 2303428573 in words is "two billion, three hundred three million, four hundred twenty-eight thousand, five hundred seventy-three".