123606247 has 2 divisors, whose sum is σ = 123606248. Its totient is φ = 123606246.

The previous prime is 123606221. The next prime is 123606289. The reversal of 123606247 is 742606321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123606247 - 2¹¹ = 123604199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123606047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61803123 + 61803124.

It is an arithmetic number, because the mean of its divisors is an integer number (61803124).

Almost surely, 2^123606247 is an apocalyptic number.

123606247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123606247 is an equidigital number, since it uses as much as digits as its factorization.

123606247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 123606247 is about 11117.8346362950. The cubic root of 123606247 is about 498.1347127266.

The spelling of 123606247 in words is "one hundred twenty-three million, six hundred six thousand, two hundred forty-seven".