12122623 has 2 divisors, whose sum is σ = 12122624. Its totient is φ = 12122622.

The previous prime is 12122597. The next prime is 12122639. The reversal of 12122623 is 32622121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122623 - 2⁹ = 12122111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061311 + 6061312.

It is an arithmetic number, because the mean of its divisors is an integer number (6061312).

Almost surely, 2^12122623 is an apocalyptic number.

12122623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122623 is an equidigital number, since it uses as much as digits as its factorization.

12122623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 12122623 is about 3481.7557352577. The cubic root of 12122623 is about 229.7200311151.

Adding to 12122623 its reverse (32622121), we get a palindrome (44744744).

The spelling of 12122623 in words is "twelve million, one hundred twenty-two thousand, six hundred twenty-three".