12122723 has 2 divisors, whose sum is σ = 12122724. Its totient is φ = 12122722.

The previous prime is 12122659. The next prime is 12122807. The reversal of 12122723 is 32722121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122723 - 2⁶ = 12122659 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12122695 and 12122704.

It is not a weakly prime, because it can be changed into another prime (12122623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061361 + 6061362.

It is an arithmetic number, because the mean of its divisors is an integer number (6061362).

Almost surely, 2^12122723 is an apocalyptic number.

12122723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122723 is an equidigital number, since it uses as much as digits as its factorization.

12122723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 12122723 is about 3481.7700957990. The cubic root of 12122723 is about 229.7206627699.

Adding to 12122723 its reverse (32722121), we get a palindrome (44844844).

The spelling of 12122723 in words is "twelve million, one hundred twenty-two thousand, seven hundred twenty-three".