123314987 has 2 divisors, whose sum is σ = 123314988. Its totient is φ = 123314986.

The previous prime is 123314963. The next prime is 123315007. The reversal of 123314987 is 789413321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123314987 - 2¹⁰ = 123313963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123314987.

It is not a weakly prime, because it can be changed into another prime (123314287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61657493 + 61657494.

It is an arithmetic number, because the mean of its divisors is an integer number (61657494).

Almost surely, 2^123314987 is an apocalyptic number.

123314987 is a deficient number, since it is larger than the sum of its proper divisors (1).

123314987 is an equidigital number, since it uses as much as digits as its factorization.

123314987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 123314987 is about 11104.7281371495. The cubic root of 123314987 is about 497.7431445336.

The spelling of 123314987 in words is "one hundred twenty-three million, three hundred fourteen thousand, nine hundred eighty-seven".