10123647 has 4 divisors (see below), whose sum is σ = 13498200. Its totient is φ = 6749096.

The previous prime is 10123601. The next prime is 10123649. The reversal of 10123647 is 74632101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74632101 = 3 ⋅24877367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123647 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 3 ways as a sum of consecutive naturals, for example, 1687272 + ... + 1687277.

It is an arithmetic number, because the mean of its divisors is an integer number (3374550).

Almost surely, 2^10123647 is an apocalyptic number.

10123647 is a deficient number, since it is larger than the sum of its proper divisors (3374553).

10123647 is an equidigital number, since it uses as much as digits as its factorization.

10123647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374552.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 10123647 is about 3181.7679047976. The cubic root of 10123647 is about 216.3277987530.

Adding to 10123647 its reverse (74632101), we get a palindrome (84755748).

The spelling of 10123647 in words is "ten million, one hundred twenty-three thousand, six hundred forty-seven".