23328453 has 4 divisors (see below), whose sum is σ = 31104608. Its totient is φ = 15552300.

The previous prime is 23328451. The next prime is 23328457. The reversal of 23328453 is 35482332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23328453 - 2¹ = 23328451 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 23328453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328451) 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, 3888073 + ... + 3888078.

It is an arithmetic number, because the mean of its divisors is an integer number (7776152).

Almost surely, 2^23328453 is an apocalyptic number.

It is an amenable number.

23328453 is a deficient number, since it is larger than the sum of its proper divisors (7776155).

23328453 is an equidigital number, since it uses as much as digits as its factorization.

23328453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776154.

The product of its digits is 17280, while the sum is 30.

The square root of 23328453 is about 4829.9537264864. The cubic root of 23328453 is about 285.7340388605.

The spelling of 23328453 in words is "twenty-three million, three hundred twenty-eight thousand, four hundred fifty-three".