23206144 has 72 divisors (see below), whose sum is σ = 52653440. Its totient is φ = 10119168.

The previous prime is 23206129. The next prime is 23206159. The reversal of 23206144 is 44160232.

It is a happy number.

23206144 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (23206129) and next prime (23206159).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63049 + ... + 63415.

Almost surely, 2^23206144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23206144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26326720).

23206144 is an abundant number, since it is smaller than the sum of its proper divisors (29447296).

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

23206144 is a wasteful number, since it uses less digits than its factorization.

23206144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23206144 is about 4817.2755785817. The cubic root of 23206144 is about 285.2338042439.

Adding to 23206144 its reverse (44160232), we get a palindrome (67366376).

It can be divided in two parts, 2320 and 6144, that added together give a square (8464 = 92²).

The spelling of 23206144 in words is "twenty-three million, two hundred six thousand, one hundred forty-four".