123304863 has 16 divisors (see below), whose sum is σ = 187151616. Its totient is φ = 71480640.

The previous prime is 123304849. The next prime is 123304879. The reversal of 123304863 is 368403321.

It is not a de Polignac number, because 123304863 - 2¹⁴ = 123288479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123304863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123304843) 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, 80470 + ... + 81987.

It is an arithmetic number, because the mean of its divisors is an integer number (11696976).

Almost surely, 2^123304863 is an apocalyptic number.

123304863 is a deficient number, since it is larger than the sum of its proper divisors (63846753).

123304863 is a wasteful number, since it uses less digits than its factorization.

123304863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162494.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 123304863 is about 11104.2722859267. The cubic root of 123304863 is about 497.7295228059.

The spelling of 123304863 in words is "one hundred twenty-three million, three hundred four thousand, eight hundred sixty-three".