23106813 has 4 divisors (see below), whose sum is σ = 30809088. Its totient is φ = 15404540.

The previous prime is 23106799. The next prime is 23106827. The reversal of 23106813 is 31860132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23106799) and next prime (23106827).

It is a cyclic number.

It is not a de Polignac number, because 23106813 - 2¹⁷ = 22975741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23106883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851133 + ... + 3851138.

It is an arithmetic number, because the mean of its divisors is an integer number (7702272).

Almost surely, 2^23106813 is an apocalyptic number.

It is an amenable number.

23106813 is a deficient number, since it is larger than the sum of its proper divisors (7702275).

23106813 is an equidigital number, since it uses as much as digits as its factorization.

23106813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702274.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 23106813 is about 4806.9546492556. The cubic root of 23106813 is about 284.8262529783.

Adding to 23106813 its reverse (31860132), we get a palindrome (54966945).

The spelling of 23106813 in words is "twenty-three million, one hundred six thousand, eight hundred thirteen".