23106613 has 4 divisors (see below), whose sum is σ = 23196780. Its totient is φ = 23016448.

The previous prime is 23106581. The next prime is 23106637. The reversal of 23106613 is 31660132.

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 14303524 + 8803089 = 3782^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 23106613 - 2⁵ = 23106581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23106653) 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, 44698 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (5799195).

Almost surely, 2^23106613 is an apocalyptic number.

It is an amenable number.

23106613 is a deficient number, since it is larger than the sum of its proper divisors (90167).

23106613 is an equidigital number, since it uses as much as digits as its factorization.

23106613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90166.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23106613 is about 4806.9338460187. The cubic root of 23106613 is about 284.8254312089.

Adding to 23106613 its reverse (31660132), we get a palindrome (54766745).

The spelling of 23106613 in words is "twenty-three million, one hundred six thousand, six hundred thirteen".