23408045 has 4 divisors (see below), whose sum is σ = 28089660. Its totient is φ = 18726432.

The previous prime is 23408027. The next prime is 23408051. The reversal of 23408045 is 54080432.

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 7070281 + 16337764 = 2659^2 + 4042^2 .

It is a cyclic number.

It is not a de Polignac number, because 23408045 - 2¹⁶ = 23342509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340800 + ... + 2340809.

It is an arithmetic number, because the mean of its divisors is an integer number (7022415).

Almost surely, 2^23408045 is an apocalyptic number.

It is an amenable number.

23408045 is a deficient number, since it is larger than the sum of its proper divisors (4681615).

23408045 is an equidigital number, since it uses as much as digits as its factorization.

23408045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681614.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 23408045 is about 4838.1861270522. The cubic root of 23408045 is about 286.0586257310.

Adding to 23408045 its reverse (54080432), we get a palindrome (77488477).

The spelling of 23408045 in words is "twenty-three million, four hundred eight thousand, forty-five".