23032805 has 4 divisors (see below), whose sum is σ = 27639372. Its totient is φ = 18426240.

The previous prime is 23032781. The next prime is 23032811. The reversal of 23032805 is 50823032.

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 5909761 + 17123044 = 2431^2 + 4138^2 .

It is not a de Polignac number, because 23032805 - 2¹⁴ = 23016421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2303276 + ... + 2303285.

It is an arithmetic number, because the mean of its divisors is an integer number (6909843).

Almost surely, 2^23032805 is an apocalyptic number.

It is an amenable number.

23032805 is a deficient number, since it is larger than the sum of its proper divisors (4606567).

23032805 is an equidigital number, since it uses as much as digits as its factorization.

23032805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606566.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23032805 is about 4799.2504623118. The cubic root of 23032805 is about 284.5218410817.

Adding to 23032805 its reverse (50823032), we get a palindrome (73855837).

The spelling of 23032805 in words is "twenty-three million, thirty-two thousand, eight hundred five".