23005604 has 12 divisors (see below), whose sum is σ = 41019804. Its totient is φ = 11285664.

The previous prime is 23005597. The next prime is 23005621. The reversal of 23005604 is 40650032.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 5382400 = 4198^2 + 2320^2 .

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, 54047 + ... + 54470.

It is an arithmetic number, because the mean of its divisors is an integer number (3418317).

Almost surely, 2^23005604 is an apocalyptic number.

It is an amenable number.

23005604 is a deficient number, since it is larger than the sum of its proper divisors (18014200).

23005604 is a wasteful number, since it uses less digits than its factorization.

23005604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108574 (or 108572 counting only the distinct ones).

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

The square root of 23005604 is about 4796.4157451163. The cubic root of 23005604 is about 284.4097932553.

Adding to 23005604 its reverse (40650032), we get a palindrome (63655636).

The spelling of 23005604 in words is "twenty-three million, five thousand, six hundred four".