23134643 has 4 divisors (see below), whose sum is σ = 26439600. Its totient is φ = 19829688.

The previous prime is 23134627. The next prime is 23134651. The reversal of 23134643 is 34643132.

It is a happy number.

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 23134643 - 2⁴ = 23134627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23134613) 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, 1652468 + ... + 1652481.

It is an arithmetic number, because the mean of its divisors is an integer number (6609900).

Almost surely, 2^23134643 is an apocalyptic number.

23134643 is a deficient number, since it is larger than the sum of its proper divisors (3304957).

23134643 is an equidigital number, since it uses as much as digits as its factorization.

23134643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304956.

The product of its digits is 5184, while the sum is 26.

The square root of 23134643 is about 4809.8485423140. The cubic root of 23134643 is about 284.9405559823.

Adding to 23134643 its reverse (34643132), we get a palindrome (57777775).

The spelling of 23134643 in words is "twenty-three million, one hundred thirty-four thousand, six hundred forty-three".