23340047 has 2 divisors, whose sum is σ = 23340048. Its totient is φ = 23340046.

The previous prime is 23340019. The next prime is 23340049. The reversal of 23340047 is 74004332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23340047 - 2⁸ = 23339791 is a prime.

Together with 23340049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23340049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670023 + 11670024.

It is an arithmetic number, because the mean of its divisors is an integer number (11670024).

Almost surely, 2^23340047 is an apocalyptic number.

23340047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340047 is an equidigital number, since it uses as much as digits as its factorization.

23340047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23340047 is about 4831.1537959374. The cubic root of 23340047 is about 285.7813666421.

Adding to 23340047 its reverse (74004332), we get a palindrome (97344379).

The spelling of 23340047 in words is "twenty-three million, three hundred forty thousand, forty-seven".