23426147 has 4 divisors (see below), whose sum is σ = 23547720. Its totient is φ = 23304576.

The previous prime is 23426141. The next prime is 23426189. The reversal of 23426147 is 74162432.

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 23426147 - 2⁴ = 23426131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23426141) 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, 60497 + ... + 60882.

It is an arithmetic number, because the mean of its divisors is an integer number (5886930).

Almost surely, 2^23426147 is an apocalyptic number.

23426147 is a deficient number, since it is larger than the sum of its proper divisors (121573).

23426147 is a wasteful number, since it uses less digits than its factorization.

23426147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121572.

The product of its digits is 8064, while the sum is 29.

The square root of 23426147 is about 4840.0565079346. The cubic root of 23426147 is about 286.1323453859.

Adding to 23426147 its reverse (74162432), we get a palindrome (97588579).

The spelling of 23426147 in words is "twenty-three million, four hundred twenty-six thousand, one hundred forty-seven".