23040605 has 8 divisors (see below), whose sum is σ = 31598592. Its totient is φ = 15799248.

The previous prime is 23040601. The next prime is 23040607. The reversal of 23040605 is 50604032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23040605 - 2² = 23040601 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 (23040601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329117 + ... + 329186.

It is an arithmetic number, because the mean of its divisors is an integer number (3949824).

Almost surely, 2^23040605 is an apocalyptic number.

It is an amenable number.

23040605 is a deficient number, since it is larger than the sum of its proper divisors (8557987).

23040605 is an equidigital number, since it uses as much as digits as its factorization.

23040605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658315.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23040605 is about 4800.0630204196. The cubic root of 23040605 is about 284.5539549861.

Adding to 23040605 its reverse (50604032), we get a palindrome (73644637).

The spelling of 23040605 in words is "twenty-three million, forty thousand, six hundred five".