23814147 has 16 divisors (see below), whose sum is σ = 37030400. Its totient is φ = 13607496.

The previous prime is 23814143. The next prime is 23814149. The reversal of 23814147 is 74141832.

It is not a de Polignac number, because 23814147 - 2² = 23814143 is a prime.

It is a super-2 number, since 2×23814147² = 1134227194675218, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23814143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10543 + ... + 12600.

It is an arithmetic number, because the mean of its divisors is an integer number (2314400).

Almost surely, 2^23814147 is an apocalyptic number.

23814147 is a deficient number, since it is larger than the sum of its proper divisors (13216253).

23814147 is an equidigital number, since it uses as much as digits as its factorization.

23814147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167 (or 23153 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 23814147 is about 4879.9740778000. The cubic root of 23814147 is about 287.7034104296.

Adding to 23814147 its reverse (74141832), we get a palindrome (97955979).

The spelling of 23814147 in words is "twenty-three million, eight hundred fourteen thousand, one hundred forty-seven".