23909063 has 4 divisors (see below), whose sum is σ = 24197208. Its totient is φ = 23620920.

The previous prime is 23909051. The next prime is 23909069. The reversal of 23909063 is 36090932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23909063 - 2⁴ = 23909047 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 (23909069) 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, 143948 + ... + 144113.

It is an arithmetic number, because the mean of its divisors is an integer number (6049302).

Almost surely, 2^23909063 is an apocalyptic number.

23909063 is a deficient number, since it is larger than the sum of its proper divisors (288145).

23909063 is an equidigital number, since it uses as much as digits as its factorization.

23909063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288144.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 23909063 is about 4889.6894584421. The cubic root of 23909063 is about 288.0851367062.

Adding to 23909063 its reverse (36090932), we get a palindrome (59999995).

The spelling of 23909063 in words is "twenty-three million, nine hundred nine thousand, sixty-three".