23724055 has 4 divisors (see below), whose sum is σ = 28468872. Its totient is φ = 18979240.

The previous prime is 23724053. The next prime is 23724073. The reversal of 23724055 is 55042732.

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

It is not a de Polignac number, because 23724055 - 2¹ = 23724053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23724053) 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, 2372401 + ... + 2372410.

It is an arithmetic number, because the mean of its divisors is an integer number (7117218).

Almost surely, 2^23724055 is an apocalyptic number.

23724055 is a deficient number, since it is larger than the sum of its proper divisors (4744817).

23724055 is an equidigital number, since it uses as much as digits as its factorization.

23724055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744816.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 23724055 is about 4870.7345441935. The cubic root of 23724055 is about 287.3401455394.

Adding to 23724055 its reverse (55042732), we get a palindrome (78766787).

The spelling of 23724055 in words is "twenty-three million, seven hundred twenty-four thousand, fifty-five".