23061605 has 40 divisors (see below), whose sum is σ = 34485912. Its totient is φ = 14751744.

The previous prime is 23061589. The next prime is 23061637. The reversal of 23061605 is 50616032.

It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 22591009 = 686^2 + 4753^2 .

It is not a de Polignac number, because 23061605 - 2⁴ = 23061589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 204029 + ... + 204141.

Almost surely, 2^23061605 is an apocalyptic number.

It is an amenable number.

23061605 is a deficient number, since it is larger than the sum of its proper divisors (11424307).

23061605 is an equidigital number, since it uses as much as digits as its factorization.

23061605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 23061605 is about 4802.2499934926. The cubic root of 23061605 is about 284.6403794891.

Adding to 23061605 its reverse (50616032), we get a palindrome (73677637).

The spelling of 23061605 in words is "twenty-three million, sixty-one thousand, six hundred five".