23401313 has 8 divisors (see below), whose sum is σ = 25240488. Its totient is φ = 21567744.

The previous prime is 23401307. The next prime is 23401349. The reversal of 23401313 is 31310432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 667489 + 22733824 = 817^2 + 4768^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23401313 - 2⁴ = 23401297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23401291 and 23401300.

It is not an unprimeable number, because it can be changed into a prime (23401303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12281 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (3155061).

Almost surely, 2^23401313 is an apocalyptic number.

It is an amenable number.

23401313 is a deficient number, since it is larger than the sum of its proper divisors (1839175).

23401313 is a wasteful number, since it uses less digits than its factorization.

23401313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23401313 is about 4837.4903617475. The cubic root of 23401313 is about 286.0312002410.

Adding to 23401313 its reverse (31310432), we get a palindrome (54711745).

The spelling of 23401313 in words is "twenty-three million, four hundred one thousand, three hundred thirteen".