123223427 has 2 divisors, whose sum is σ = 123223428. Its totient is φ = 123223426.

The previous prime is 123223393. The next prime is 123223483. The reversal of 123223427 is 724322321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (724322321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123223427 - 2⁶ = 123223363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123223396 and 123223405.

It is not a weakly prime, because it can be changed into another prime (123229427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611713 + 61611714.

It is an arithmetic number, because the mean of its divisors is an integer number (61611714).

Almost surely, 2^123223427 is an apocalyptic number.

123223427 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223427 is an equidigital number, since it uses as much as digits as its factorization.

123223427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 123223427 is about 11100.6048033429. The cubic root of 123223427 is about 497.6199244576.

Adding to 123223427 its reverse (724322321), we get a palindrome (847545748).

The spelling of 123223427 in words is "one hundred twenty-three million, two hundred twenty-three thousand, four hundred twenty-seven".