10644123 has 48 divisors (see below), whose sum is σ = 18021120. Its totient is φ = 5552064.

The previous prime is 10644121. The next prime is 10644163. The reversal of 10644123 is 32144601.

10644123 is nontrivially palindromic in base 12.

10644123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10644123 - 2¹ = 10644121 is a prime.

It is a super-2 number, since 2×10644123² = 226594708878258, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10644123.

It is not an unprimeable number, because it can be changed into a prime (10644121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103290 + ... + 103392.

It is an arithmetic number, because the mean of its divisors is an integer number (375440).

Almost surely, 2^10644123 is an apocalyptic number.

10644123 is a deficient number, since it is larger than the sum of its proper divisors (7376997).

10644123 is a wasteful number, since it uses less digits than its factorization.

10644123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 10644123 is about 3262.5332182217. The cubic root of 10644123 is about 219.9732956567.

Adding to 10644123 its reverse (32144601), we get a palindrome (42788724).

The spelling of 10644123 in words is "ten million, six hundred forty-four thousand, one hundred twenty-three".