12238423 has 2 divisors, whose sum is σ = 12238424. Its totient is φ = 12238422.

The previous prime is 12238417. The next prime is 12238427. The reversal of 12238423 is 32483221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12238423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12238427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119211 + 6119212.

It is an arithmetic number, because the mean of its divisors is an integer number (6119212).

Almost surely, 2^12238423 is an apocalyptic number.

12238423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12238423 is an equidigital number, since it uses as much as digits as its factorization.

12238423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 12238423 is about 3498.3457519233. The cubic root of 12238423 is about 230.4491726383.

The spelling of 12238423 in words is "twelve million, two hundred thirty-eight thousand, four hundred twenty-three".