23161206 has 16 divisors (see below), whose sum is σ = 46369584. Its totient is φ = 7712544.

The previous prime is 23161199. The next prime is 23161241. The reversal of 23161206 is 60216132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10600 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (2898099).

Almost surely, 2^23161206 is an apocalyptic number.

23161206 is an abundant number, since it is smaller than the sum of its proper divisors (23208378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23161206 is a wasteful number, since it uses less digits than its factorization.

23161206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23161206 is about 4812.6090636992. The cubic root of 23161206 is about 285.0495697097.

Adding to 23161206 its reverse (60216132), we get a palindrome (83377338).

The spelling of 23161206 in words is "twenty-three million, one hundred sixty-one thousand, two hundred six".