10665123 has 32 divisors (see below), whose sum is σ = 17252352. Its totient is φ = 5728800.

The previous prime is 10665113. The next prime is 10665133. The reversal of 10665123 is 32156601.

10665123 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10665113) and next prime (10665133).

It is not a de Polignac number, because 10665123 - 2⁴ = 10665107 is a prime.

It is a super-2 number, since 2×10665123² = 227489697210258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10665093 and 10665102.

It is not an unprimeable number, because it can be changed into a prime (10665113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34138 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (539136).

Almost surely, 2^10665123 is an apocalyptic number.

10665123 is a deficient number, since it is larger than the sum of its proper divisors (6587229).

10665123 is a wasteful number, since it uses less digits than its factorization.

10665123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 10665123 is about 3265.7499904310. The cubic root of 10665123 is about 220.1178638410.

The spelling of 10665123 in words is "ten million, six hundred sixty-five thousand, one hundred twenty-three".