23401317 has 8 divisors (see below), whose sum is σ = 31238496. Its totient is φ = 15582512.

The previous prime is 23401307. The next prime is 23401349. The reversal of 23401317 is 71310432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23401317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23401293 and 23401302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278 + ... + 6959.

It is an arithmetic number, because the mean of its divisors is an integer number (3904812).

Almost surely, 2^23401317 is an apocalyptic number.

It is an amenable number.

23401317 is a deficient number, since it is larger than the sum of its proper divisors (7837179).

23401317 is an equidigital number, since it uses as much as digits as its factorization.

23401317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23401317 is about 4837.4907751850. The cubic root of 23401317 is about 286.0312165382.

Adding to 23401317 its reverse (71310432), we get a palindrome (94711749).

The spelling of 23401317 in words is "twenty-three million, four hundred one thousand, three hundred seventeen".