2303323145 has 8 divisors (see below), whose sum is σ = 2789346120. Its totient is φ = 1825752960.

The previous prime is 2303323129. The next prime is 2303323147. The reversal of 2303323145 is 5413233032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 223233481 + 2080089664 = 14941^2 + 45608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2303323145 - 2⁴ = 2303323129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2303323147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112596 + ... + 2113685.

It is an arithmetic number, because the mean of its divisors is an integer number (348668265).

Almost surely, 2^2303323145 is an apocalyptic number.

It is an amenable number.

2303323145 is a deficient number, since it is larger than the sum of its proper divisors (486022975).

2303323145 is a wasteful number, since it uses less digits than its factorization.

2303323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226395.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 2303323145 is about 47992.9489091887. The cubic root of 2303323145 is about 1320.6415508971.

Adding to 2303323145 its reverse (5413233032), we get a palindrome (7716556177).

The spelling of 2303323145 in words is "two billion, three hundred three million, three hundred twenty-three thousand, one hundred forty-five".