12416423 has 4 divisors (see below), whose sum is σ = 12752040. Its totient is φ = 12080808.

The previous prime is 12416401. The next prime is 12416429. The reversal of 12416423 is 32461421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32461421 = 73 ⋅444677.

It is a cyclic number.

It is not a de Polignac number, because 12416423 - 2⁸ = 12416167 is a prime.

It is a super-2 number, since 2×12416423² = 308335120229858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12416429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167753 + ... + 167826.

It is an arithmetic number, because the mean of its divisors is an integer number (3188010).

Almost surely, 2^12416423 is an apocalyptic number.

12416423 is a deficient number, since it is larger than the sum of its proper divisors (335617).

12416423 is an equidigital number, since it uses as much as digits as its factorization.

12416423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335616.

The product of its digits is 1152, while the sum is 23.

The square root of 12416423 is about 3523.6945100278. The cubic root of 12416423 is about 231.5610445028.

Adding to 12416423 its reverse (32461421), we get a palindrome (44877844).

The spelling of 12416423 in words is "twelve million, four hundred sixteen thousand, four hundred twenty-three".