2303321155 has 4 divisors (see below), whose sum is σ = 2763985392. Its totient is φ = 1842656920.

The previous prime is 2303321129. The next prime is 2303321161. The reversal of 2303321155 is 5511233032.

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

It is not a de Polignac number, because 2303321155 - 2¹⁵ = 2303288387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 230332111 + ... + 230332120.

It is an arithmetic number, because the mean of its divisors is an integer number (690996348).

Almost surely, 2^2303321155 is an apocalyptic number.

2303321155 is a deficient number, since it is larger than the sum of its proper divisors (460664237).

2303321155 is an equidigital number, since it uses as much as digits as its factorization.

2303321155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460664236.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2303321155 is about 47992.9281769721. The cubic root of 2303321155 is about 1320.6411705658.

Adding to 2303321155 its reverse (5511233032), we get a palindrome (7814554187).

The spelling of 2303321155 in words is "two billion, three hundred three million, three hundred twenty-one thousand, one hundred fifty-five".