23048609 has 4 divisors (see below), whose sum is σ = 23067780. Its totient is φ = 23029440.

The previous prime is 23048581. The next prime is 23048633. The reversal of 23048609 is 90684032.

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 13897984 + 9150625 = 3728^2 + 3025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23048609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7652 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (5766945).

Almost surely, 2^23048609 is an apocalyptic number.

It is an amenable number.

23048609 is a deficient number, since it is larger than the sum of its proper divisors (19171).

23048609 is a wasteful number, since it uses less digits than its factorization.

23048609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19170.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 23048609 is about 4800.8966870784. The cubic root of 23048609 is about 284.5869012589.

The spelling of 23048609 in words is "twenty-three million, forty-eight thousand, six hundred nine".