23445313 has 4 divisors (see below), whose sum is σ = 23463108. Its totient is φ = 23427520.

The previous prime is 23445307. The next prime is 23445347. The reversal of 23445313 is 31354432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14493249 + 8952064 = 3807^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 23445313 - 2²¹ = 21348161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23445113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (5865777).

Almost surely, 2^23445313 is an apocalyptic number.

It is an amenable number.

23445313 is a deficient number, since it is larger than the sum of its proper divisors (17795).

23445313 is a wasteful number, since it uses less digits than its factorization.

23445313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794.

The product of its digits is 4320, while the sum is 25.

The square root of 23445313 is about 4842.0360386928. The cubic root of 23445313 is about 286.2103567584.

Adding to 23445313 its reverse (31354432), we get a palindrome (54799745).

The spelling of 23445313 in words is "twenty-three million, four hundred forty-five thousand, three hundred thirteen".