23643022 has 32 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 10172928.

The previous prime is 23643017. The next prime is 23643047. The reversal of 23643022 is 22034632.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23642984 and 23643002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65679 + ... + 66037.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^23643022 is an apocalyptic number.

23643022 is a deficient number, since it is larger than the sum of its proper divisors (17180978).

23643022 is a wasteful number, since it uses less digits than its factorization.

23643022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 23643022 is about 4862.4090737000. The cubic root of 23643022 is about 287.0126215074.

Adding to 23643022 its reverse (22034632), we get a palindrome (45677654).

The spelling of 23643022 in words is "twenty-three million, six hundred forty-three thousand, twenty-two".