12303568155 has 16 divisors (see below), whose sum is σ = 19690147584. Its totient is φ = 6560423520.

The previous prime is 12303568141. The next prime is 12303568157. The reversal of 12303568155 is 55186530321.

It is not a de Polignac number, because 12303568155 - 2⁴ = 12303568139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12303568157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21991 + ... + 158400.

It is an arithmetic number, because the mean of its divisors is an integer number (1230634224).

Almost surely, 2^12303568155 is an apocalyptic number.

12303568155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12303568155 is a deficient number, since it is larger than the sum of its proper divisors (7386579429).

12303568155 is a wasteful number, since it uses less digits than its factorization.

12303568155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184946.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 12303568155 in words is "twelve billion, three hundred three million, five hundred sixty-eight thousand, one hundred fifty-five".