10023644 has 24 divisors (see below), whose sum is σ = 18158448. Its totient is φ = 4838400.

The previous prime is 10023641. The next prime is 10023649. The reversal of 10023644 is 44632001.

It is a happy number.

10023644 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17084 + ... + 17660.

It is an arithmetic number, because the mean of its divisors is an integer number (756602).

Almost surely, 2^10023644 is an apocalyptic number.

It is an amenable number.

10023644 is a deficient number, since it is larger than the sum of its proper divisors (8134804).

10023644 is a wasteful number, since it uses less digits than its factorization.

10023644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 10023644 is about 3166.0138976322. The cubic root of 10023644 is about 215.6131335345.

Adding to 10023644 its reverse (44632001), we get a palindrome (54655645).

The spelling of 10023644 in words is "ten million, twenty-three thousand, six hundred forty-four".