23206117 has 4 divisors (see below), whose sum is σ = 25315776. Its totient is φ = 21096460.

The previous prime is 23206093. The next prime is 23206129. The reversal of 23206117 is 71160232.

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 not a de Polignac number, because 23206117 - 2¹⁹ = 22681829 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 (23200117) 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 3 ways as a sum of consecutive naturals, for example, 1054813 + ... + 1054834.

It is an arithmetic number, because the mean of its divisors is an integer number (6328944).

Almost surely, 2^23206117 is an apocalyptic number.

It is an amenable number.

23206117 is a deficient number, since it is larger than the sum of its proper divisors (2109659).

23206117 is a wasteful number, since it uses less digits than its factorization.

23206117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109658.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 23206117 is about 4817.2727761670. The cubic root of 23206117 is about 285.2336936221.

Adding to 23206117 its reverse (71160232), we get a palindrome (94366349).

The spelling of 23206117 in words is "twenty-three million, two hundred six thousand, one hundred seventeen".