12423233 has 2 divisors, whose sum is σ = 12423234. Its totient is φ = 12423232.

The previous prime is 12423211. The next prime is 12423239. The reversal of 12423233 is 33232421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 368449 = 3472^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423233 - 2¹⁰ = 12422209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12423239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211616 + 6211617.

It is an arithmetic number, because the mean of its divisors is an integer number (6211617).

Almost surely, 2^12423233 is an apocalyptic number.

It is an amenable number.

12423233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423233 is an equidigital number, since it uses as much as digits as its factorization.

12423233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 12423233 is about 3524.6606928895. The cubic root of 12423233 is about 231.6033713067.

Adding to 12423233 its reverse (33232421), we get a palindrome (45655654).

The spelling of 12423233 in words is "twelve million, four hundred twenty-three thousand, two hundred thirty-three".