23434105 has 4 divisors (see below), whose sum is σ = 28120932. Its totient is φ = 18747280.

The previous prime is 23434093. The next prime is 23434127. The reversal of 23434105 is 50143432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17572864 + 5861241 = 4192^2 + 2421^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23434105 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343406 + ... + 2343415.

It is an arithmetic number, because the mean of its divisors is an integer number (7030233).

Almost surely, 2^23434105 is an apocalyptic number.

It is an amenable number.

23434105 is a deficient number, since it is larger than the sum of its proper divisors (4686827).

23434105 is an equidigital number, since it uses as much as digits as its factorization.

23434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686826.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23434105 is about 4840.8785359684. The cubic root of 23434105 is about 286.1647419983.

Adding to 23434105 its reverse (50143432), we get a palindrome (73577537).

The spelling of 23434105 in words is "twenty-three million, four hundred thirty-four thousand, one hundred five".