10128723 has 16 divisors (see below), whose sum is σ = 15209472. Its totient is φ = 5940000.

The previous prime is 10128721. The next prime is 10128731. The reversal of 10128723 is 32782101.

10128723 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 10128723 - 2¹ = 10128721 is a prime.

It is a super-2 number, since 2×10128723² = 205182059221458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10128693 and 10128702.

It is not an unprimeable number, because it can be changed into a prime (10128721) 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, 3928 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (950592).

Almost surely, 2^10128723 is an apocalyptic number.

10128723 is a deficient number, since it is larger than the sum of its proper divisors (5080749).

10128723 is a wasteful number, since it uses less digits than its factorization.

10128723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 10128723 is about 3182.5654745818. The cubic root of 10128723 is about 216.3639483222.

The spelling of 10128723 in words is "ten million, one hundred twenty-eight thousand, seven hundred twenty-three".