12124423 has 2 divisors, whose sum is σ = 12124424. Its totient is φ = 12124422.

The previous prime is 12124369. The next prime is 12124481. The reversal of 12124423 is 32442121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12124423 - 2¹³ = 12116231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12124423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062211 + 6062212.

It is an arithmetic number, because the mean of its divisors is an integer number (6062212).

Almost surely, 2^12124423 is an apocalyptic number.

12124423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124423 is an equidigital number, since it uses as much as digits as its factorization.

12124423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 12124423 is about 3482.0142159388. The cubic root of 12124423 is about 229.7314003705.

Adding to 12124423 its reverse (32442121), we get a palindrome (44566544).

The spelling of 12124423 in words is "twelve million, one hundred twenty-four thousand, four hundred twenty-three".