23442423 has 8 divisors (see below), whose sum is σ = 32101488. Its totient is φ = 15205824.

The previous prime is 23442407. The next prime is 23442427. The reversal of 23442423 is 32424432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23442423 - 2⁴ = 23442407 is a prime.

It is a super-2 number, since 2×23442423² = 1099094392221858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23442393 and 23442402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105486 + ... + 105707.

It is an arithmetic number, because the mean of its divisors is an integer number (4012686).

Almost surely, 2^23442423 is an apocalyptic number.

23442423 is a deficient number, since it is larger than the sum of its proper divisors (8659065).

23442423 is a wasteful number, since it uses less digits than its factorization.

23442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211233.

The product of its digits is 4608, while the sum is 24.

The square root of 23442423 is about 4841.7376013163. The cubic root of 23442423 is about 286.1985963137.

Adding to 23442423 its reverse (32424432), we get a palindrome (55866855).

Subtracting 23442423 from its reverse (32424432), we obtain a square (8982009 = 2997²).

The spelling of 23442423 in words is "twenty-three million, four hundred forty-two thousand, four hundred twenty-three".