23828573 has 4 divisors (see below), whose sum is σ = 23904060. Its totient is φ = 23753088.

The previous prime is 23828569. The next prime is 23828591. The reversal of 23828573 is 37582832.

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 7198489 + 16630084 = 2683^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 23828573 - 2² = 23828569 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 (23828513) 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, 37268 + ... + 37901.

It is an arithmetic number, because the mean of its divisors is an integer number (5976015).

Almost surely, 2^23828573 is an apocalyptic number.

It is an amenable number.

23828573 is a deficient number, since it is larger than the sum of its proper divisors (75487).

23828573 is an equidigital number, since it uses as much as digits as its factorization.

23828573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75486.

The product of its digits is 80640, while the sum is 38.

The square root of 23828573 is about 4881.4519356437. The cubic root of 23828573 is about 287.7614931539.

The spelling of 23828573 in words is "twenty-three million, eight hundred twenty-eight thousand, five hundred seventy-three".