23108047 has 4 divisors (see below), whose sum is σ = 24324280. Its totient is φ = 21891816.

The previous prime is 23108039. The next prime is 23108069. The reversal of 23108047 is 74080132.

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 23108047 - 2³ = 23108039 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 (23108027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608088 + ... + 608125.

It is an arithmetic number, because the mean of its divisors is an integer number (6081070).

Almost surely, 2^23108047 is an apocalyptic number.

23108047 is a deficient number, since it is larger than the sum of its proper divisors (1216233).

23108047 is a wasteful number, since it uses less digits than its factorization.

23108047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216232.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 23108047 is about 4807.0830032360. The cubic root of 23108047 is about 284.8313231905.

Adding to 23108047 its reverse (74080132), we get a palindrome (97188179).

The spelling of 23108047 in words is "twenty-three million, one hundred eight thousand, forty-seven".