12204723 has 4 divisors (see below), whose sum is σ = 16272968. Its totient is φ = 8136480.

The previous prime is 12204721. The next prime is 12204727. The reversal of 12204723 is 32740221.

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

It is not a de Polignac number, because 12204723 - 2¹ = 12204721 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14 and base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12204723.

It is not an unprimeable number, because it can be changed into a prime (12204721) 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, 2034118 + ... + 2034123.

It is an arithmetic number, because the mean of its divisors is an integer number (4068242).

Almost surely, 2^12204723 is an apocalyptic number.

12204723 is a deficient number, since it is larger than the sum of its proper divisors (4068245).

12204723 is an equidigital number, since it uses as much as digits as its factorization.

12204723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068244.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12204723 is about 3493.5258693761. The cubic root of 12204723 is about 230.2374548274.

Adding to 12204723 its reverse (32740221), we get a palindrome (44944944).

The spelling of 12204723 in words is "twelve million, two hundred four thousand, seven hundred twenty-three".