123223207 has 2 divisors, whose sum is σ = 123223208. Its totient is φ = 123223206.

The previous prime is 123223193. The next prime is 123223249. The reversal of 123223207 is 702322321.

It is a weak prime.

It is an emirp because it is prime and its reverse (702322321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123223207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123223267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611603 + 61611604.

It is an arithmetic number, because the mean of its divisors is an integer number (61611604).

Almost surely, 2^123223207 is an apocalyptic number.

123223207 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223207 is an equidigital number, since it uses as much as digits as its factorization.

123223207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 123223207 is about 11100.5948939685. The cubic root of 123223207 is about 497.6196283114.

Adding to 123223207 its reverse (702322321), we get a palindrome (825545528).

The spelling of 123223207 in words is "one hundred twenty-three million, two hundred twenty-three thousand, two hundred seven".