23548009 has 8 divisors (see below), whose sum is σ = 25024680. Its totient is φ = 22158208.

The previous prime is 23547983. The next prime is 23548027. The reversal of 23548009 is 90084532.

It can be written as a sum of positive squares in 4 ways, for example, as 8555625 + 14992384 = 2925^2 + 3872^2 .

It is not a de Polignac number, because 23548009 - 2⁵ = 23547977 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23548039) 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, 2517 + ... + 7309.

It is an arithmetic number, because the mean of its divisors is an integer number (3128085).

Almost surely, 2^23548009 is an apocalyptic number.

It is an amenable number.

23548009 is a deficient number, since it is larger than the sum of its proper divisors (1476671).

23548009 is an frugal number, since it uses more digits than its factorization.

23548009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23548009 is about 4852.6290812301. The cubic root of 23548009 is about 286.6276377068.

The spelling of 23548009 in words is "twenty-three million, five hundred forty-eight thousand, nine".