123122423 has 2 divisors, whose sum is σ = 123122424. Its totient is φ = 123122422.

The previous prime is 123122399. The next prime is 123122431. The reversal of 123122423 is 324221321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123122423 - 2¹⁰ = 123121399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123122395 and 123122404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123122443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561211 + 61561212.

It is an arithmetic number, because the mean of its divisors is an integer number (61561212).

Almost surely, 2^123122423 is an apocalyptic number.

123122423 is a deficient number, since it is larger than the sum of its proper divisors (1).

123122423 is an equidigital number, since it uses as much as digits as its factorization.

123122423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 123122423 is about 11096.0543888357. The cubic root of 123122423 is about 497.4839239606.

Adding to 123122423 its reverse (324221321), we get a palindrome (447343744).

The spelling of 123122423 in words is "one hundred twenty-three million, one hundred twenty-two thousand, four hundred twenty-three".