23426243 has 4 divisors (see below), whose sum is σ = 23658288. Its totient is φ = 23194200.

The previous prime is 23426239. The next prime is 23426251. The reversal of 23426243 is 34262432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23426243 - 2² = 23426239 is a prime.

It is a super-2 number, since 2×23426243² = 1097577722190098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23426203) 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 3 ways as a sum of consecutive naturals, for example, 115871 + ... + 116072.

It is an arithmetic number, because the mean of its divisors is an integer number (5914572).

Almost surely, 2^23426243 is an apocalyptic number.

23426243 is a deficient number, since it is larger than the sum of its proper divisors (232045).

23426243 is a wasteful number, since it uses less digits than its factorization.

23426243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232044.

The product of its digits is 6912, while the sum is 26.

The square root of 23426243 is about 4840.0664251640. The cubic root of 23426243 is about 286.1327362407.

Adding to 23426243 its reverse (34262432), we get a palindrome (57688675).

The spelling of 23426243 in words is "twenty-three million, four hundred twenty-six thousand, two hundred forty-three".