23021446 has 32 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 9476736.

The previous prime is 23021443. The next prime is 23021473. The reversal of 23021446 is 64412032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38526 + ... + 39118.

It is an arithmetic number, because the mean of its divisors is an integer number (1283040).

Almost surely, 2^23021446 is an apocalyptic number.

23021446 is a deficient number, since it is larger than the sum of its proper divisors (18035834).

23021446 is a wasteful number, since it uses less digits than its factorization.

23021446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

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

The square root of 23021446 is about 4798.0669024098. The cubic root of 23021446 is about 284.4750612095.

Adding to 23021446 its reverse (64412032), we get a palindrome (87433478).

The spelling of 23021446 in words is "twenty-three million, twenty-one thousand, four hundred forty-six".