23005206 has 36 divisors (see below), whose sum is σ = 57984732. Its totient is φ = 6572664.

The previous prime is 23005183. The next prime is 23005217. The reversal of 23005206 is 60250032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 12160 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (1610687).

Almost surely, 2^23005206 is an apocalyptic number.

23005206 is an abundant number, since it is smaller than the sum of its proper divisors (34979526).

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

23005206 is a wasteful number, since it uses less digits than its factorization.

23005206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26105 (or 26095 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23005206 is about 4796.3742556227. The cubic root of 23005206 is about 284.4081531367.

Adding to 23005206 its reverse (60250032), we get a palindrome (83255238).

The spelling of 23005206 in words is "twenty-three million, five thousand, two hundred six".