10123503165 has 12 divisors (see below), whose sum is σ = 17547405564. Its totient is φ = 5399201664.

The previous prime is 10123503161. The next prime is 10123503167. The reversal of 10123503165 is 56130532101.

10123503165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1551335769 + 8572167396 = 39387^2 + 92586^2 .

It is not a de Polignac number, because 10123503165 - 2² = 10123503161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123503161) 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, 112483324 + ... + 112483413.

It is an arithmetic number, because the mean of its divisors is an integer number (1462283797).

Almost surely, 2^10123503165 is an apocalyptic number.

10123503165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10123503165 is a deficient number, since it is larger than the sum of its proper divisors (7423902399).

10123503165 is a wasteful number, since it uses less digits than its factorization.

10123503165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224966748 (or 224966745 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 10123503165 in words is "ten billion, one hundred twenty-three million, five hundred three thousand, one hundred sixty-five".