123285307 has 2 divisors, whose sum is σ = 123285308. Its totient is φ = 123285306.

The previous prime is 123285301. The next prime is 123285391. The reversal of 123285307 is 703582321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123285307 - 2³ = 123285299 is a prime.

It is not a weakly prime, because it can be changed into another prime (123285301) by changing a digit.

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 as a sum of consecutive naturals, namely, 61642653 + 61642654.

It is an arithmetic number, because the mean of its divisors is an integer number (61642654).

Almost surely, 2^123285307 is an apocalyptic number.

123285307 is a deficient number, since it is larger than the sum of its proper divisors (1).

123285307 is an equidigital number, since it uses as much as digits as its factorization.

123285307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 123285307 is about 11103.3916890291. The cubic root of 123285307 is about 497.7032083175.

The spelling of 123285307 in words is "one hundred twenty-three million, two hundred eighty-five thousand, three hundred seven".