10123644 has 36 divisors (see below), whose sum is σ = 24421992. Its totient is φ = 3261600.

The previous prime is 10123601. The next prime is 10123649. The reversal of 10123644 is 44632101.

It is a self number, because there is not a number n which added to its sum of digits gives 10123644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66969 + ... + 67119.

Almost surely, 2^10123644 is an apocalyptic number.

It is an amenable number.

10123644 is an abundant number, since it is smaller than the sum of its proper divisors (14298348).

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

10123644 is a wasteful number, since it uses less digits than its factorization.

10123644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 193 counting only the distinct ones).

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

The square root of 10123644 is about 3181.7674333615. The cubic root of 10123644 is about 216.3277773845.

Adding to 10123644 its reverse (44632101), we get a palindrome (54755745).

It can be divided in two parts, 1012 and 3644, that added together give a triangular number (4656 = T₉₆).

The spelling of 10123644 in words is "ten million, one hundred twenty-three thousand, six hundred forty-four".