23204105 has 4 divisors (see below), whose sum is σ = 27844932. Its totient is φ = 18563280.

The previous prime is 23204087. The next prime is 23204113. The reversal of 23204105 is 50140232.

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 4507129 + 18696976 = 2123^2 + 4324^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23204105 is a prime.

It is a Duffinian number.

It is a Curzon 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, 2320406 + ... + 2320415.

It is an arithmetic number, because the mean of its divisors is an integer number (6961233).

Almost surely, 2^23204105 is an apocalyptic number.

It is an amenable number.

23204105 is a deficient number, since it is larger than the sum of its proper divisors (4640827).

23204105 is an equidigital number, since it uses as much as digits as its factorization.

23204105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640826.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23204105 is about 4817.0639397874. The cubic root of 23204105 is about 285.2254500086.

Adding to 23204105 its reverse (50140232), we get a palindrome (73344337).

The spelling of 23204105 in words is "twenty-three million, two hundred four thousand, one hundred five".