23723223 has 4 divisors (see below), whose sum is σ = 31630968. Its totient is φ = 15815480.

The previous prime is 23723221. The next prime is 23723233. The reversal of 23723223 is 32232732.

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 23723223 - 2¹ = 23723221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23723193 and 23723202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23723221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953868 + ... + 3953873.

It is an arithmetic number, because the mean of its divisors is an integer number (7907742).

Almost surely, 2^23723223 is an apocalyptic number.

23723223 is a deficient number, since it is larger than the sum of its proper divisors (7907745).

23723223 is an equidigital number, since it uses as much as digits as its factorization.

23723223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907744.

The product of its digits is 3024, while the sum is 24.

The square root of 23723223 is about 4870.6491353823. The cubic root of 23723223 is about 287.3367865044.

Adding to 23723223 its reverse (32232732), we get a palindrome (55955955).

The spelling of 23723223 in words is "twenty-three million, seven hundred twenty-three thousand, two hundred twenty-three".