12423235 has 16 divisors (see below), whose sum is σ = 16422912. Its totient is φ = 8946400.

The previous prime is 12423233. The next prime is 12423239. The reversal of 12423235 is 53232421.

12423235 = 448² + 449² + ... + 502².

It is not a de Polignac number, because 12423235 - 2¹ = 12423233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830 + ... + 6940.

It is an arithmetic number, because the mean of its divisors is an integer number (1026432).

Almost surely, 2^12423235 is an apocalyptic number.

12423235 is a deficient number, since it is larger than the sum of its proper divisors (3999677).

12423235 is a wasteful number, since it uses less digits than its factorization.

12423235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234.

The product of its digits is 1440, while the sum is 22.

The square root of 12423235 is about 3524.6609766047. The cubic root of 12423235 is about 231.6033837352.

Adding to 12423235 its reverse (53232421), we get a palindrome (65655656).

The spelling of 12423235 in words is "twelve million, four hundred twenty-three thousand, two hundred thirty-five".