12423433 has 6 divisors (see below), whose sum is σ = 13655642. Its totient is φ = 11293920.

The previous prime is 12423409. The next prime is 12423457. The reversal of 12423433 is 33432421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12423409) and next prime (12423457).

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 644809 = 3432^2 + 803^2 .

It is not a de Polignac number, because 12423433 - 2⁵ = 12423401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423133) 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 5 ways as a sum of consecutive naturals, for example, 51216 + ... + 51457.

Almost surely, 2^12423433 is an apocalyptic number.

It is an amenable number.

12423433 is a deficient number, since it is larger than the sum of its proper divisors (1232209).

12423433 is a wasteful number, since it uses less digits than its factorization.

12423433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102695 (or 102684 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 12423433 is about 3524.6890643006. The cubic root of 12423433 is about 231.6046141508.

Adding to 12423433 its reverse (33432421), we get a palindrome (45855854).

The spelling of 12423433 in words is "twelve million, four hundred twenty-three thousand, four hundred thirty-three".