2303172155 has 16 divisors (see below), whose sum is σ = 2929633920. Its totient is φ = 1732227072.

The previous prime is 2303172133. The next prime is 2303172169. The reversal of 2303172155 is 5512713032.

It is a cyclic number.

It is not a de Polignac number, because 2303172155 - 2¹⁰ = 2303171131 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 64382 + ... + 93548.

It is an arithmetic number, because the mean of its divisors is an integer number (183102120).

Almost surely, 2^2303172155 is an apocalyptic number.

2303172155 is a deficient number, since it is larger than the sum of its proper divisors (626461765).

2303172155 is a wasteful number, since it uses less digits than its factorization.

2303172155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30118.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2303172155 is about 47991.3758398319. The cubic root of 2303172155 is about 1320.6126928787.

Adding to 2303172155 its reverse (5512713032), we get a palindrome (7815885187).

The spelling of 2303172155 in words is "two billion, three hundred three million, one hundred seventy-two thousand, one hundred fifty-five".