23113447 has 6 divisors (see below), whose sum is σ = 26887128. Its totient is φ = 19811484.

The previous prime is 23113417. The next prime is 23113471. The reversal of 23113447 is 74431132.

It is a de Polignac number, because none of the positive numbers 2^k-23113447 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 (23113417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235803 + ... + 235900.

It is an arithmetic number, because the mean of its divisors is an integer number (4481188).

Almost surely, 2^23113447 is an apocalyptic number.

23113447 is a deficient number, since it is larger than the sum of its proper divisors (3773681).

23113447 is an equidigital number, since it uses as much as digits as its factorization.

23113447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471717 (or 471710 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 23113447 is about 4807.6446416099. The cubic root of 23113447 is about 284.8535083821.

Adding to 23113447 its reverse (74431132), we get a palindrome (97544579).

The spelling of 23113447 in words is "twenty-three million, one hundred thirteen thousand, four hundred forty-seven".