23152206 has 48 divisors (see below), whose sum is σ = 58769280. Its totient is φ = 6012720.

The previous prime is 23152201. The next prime is 23152219. The reversal of 23152206 is 60225132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152201) 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 23 ways as a sum of consecutive naturals, for example, 346 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (1224360).

Almost surely, 2^23152206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23152206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29384640).

23152206 is an abundant number, since it is smaller than the sum of its proper divisors (35617074).

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

23152206 is a wasteful number, since it uses less digits than its factorization.

23152206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189 (or 7182 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23152206 is about 4811.6739291020. The cubic root of 23152206 is about 285.0126433295.

Adding to 23152206 its reverse (60225132), we get a palindrome (83377338).

The spelling of 23152206 in words is "twenty-three million, one hundred fifty-two thousand, two hundred six".