10123645 has 16 divisors (see below), whose sum is σ = 14169600. Its totient is φ = 6940752.

The previous prime is 10123601. The next prime is 10123649. The reversal of 10123645 is 54632101.

It is a de Polignac number, because none of the positive numbers 2^k-10123645 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1237 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^10123645 is an apocalyptic number.

It is an amenable number.

10123645 is a deficient number, since it is larger than the sum of its proper divisors (4045955).

10123645 is an frugal number, since it uses more digits than its factorization.

10123645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10123645 is about 3181.7675905069. The cubic root of 10123645 is about 216.3277845073.

Adding to 10123645 its reverse (54632101), we get a palindrome (64755746).

The spelling of 10123645 in words is "ten million, one hundred twenty-three thousand, six hundred forty-five".