23423427 has 6 divisors (see below), whose sum is σ = 33833852. Its totient is φ = 15615612.

The previous prime is 23423417. The next prime is 23423429. The reversal of 23423427 is 72432432.

23423427 is a `hidden beast` number, since 234 + 2 + 3 + 427 = 666.

It is not a de Polignac number, because 23423427 - 2¹⁸ = 23161283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23423427.

It is not an unprimeable number, because it can be changed into a prime (23423429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301293 + ... + 1301310.

Almost surely, 2^23423427 is an apocalyptic number.

23423427 is a deficient number, since it is larger than the sum of its proper divisors (10410425).

23423427 is a wasteful number, since it uses less digits than its factorization.

23423427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602609 (or 2602606 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 23423427 is about 4839.7755113228. The cubic root of 23423427 is about 286.1212707221.

Adding to 23423427 its reverse (72432432), we get a palindrome (95855859).

The spelling of 23423427 in words is "twenty-three million, four hundred twenty-three thousand, four hundred twenty-seven".