23472205 has 4 divisors (see below), whose sum is σ = 28166652. Its totient is φ = 18777760.

The previous prime is 23472199. The next prime is 23472217. The reversal of 23472205 is 50227432.

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 10876804 + 12595401 = 3298^2 + 3549^2 .

It is not a de Polignac number, because 23472205 - 2⁵ = 23472173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23472205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347216 + ... + 2347225.

It is an arithmetic number, because the mean of its divisors is an integer number (7041663).

Almost surely, 2^23472205 is an apocalyptic number.

It is an amenable number.

23472205 is a deficient number, since it is larger than the sum of its proper divisors (4694447).

23472205 is an equidigital number, since it uses as much as digits as its factorization.

23472205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694446.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23472205 is about 4844.8121738619. The cubic root of 23472205 is about 286.3197436257.

Adding to 23472205 its reverse (50227432), we get a palindrome (73699637).

The spelling of 23472205 in words is "twenty-three million, four hundred seventy-two thousand, two hundred five".