10661023 has 4 divisors (see below), whose sum is σ = 11288160. Its totient is φ = 10033888.

The previous prime is 10661011. The next prime is 10661039. The reversal of 10661023 is 32016601.

10661023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10661023 - 2⁹ = 10660511 is a prime.

It is a super-2 number, since 2×10661023² = 227314822813058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313543 + ... + 313576.

It is an arithmetic number, because the mean of its divisors is an integer number (2822040).

Almost surely, 2^10661023 is an apocalyptic number.

10661023 is a deficient number, since it is larger than the sum of its proper divisors (627137).

10661023 is an equidigital number, since it uses as much as digits as its factorization.

10661023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627136.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10661023 is about 3265.1222029198. The cubic root of 10661023 is about 220.0896535424.

Adding to 10661023 its reverse (32016601), we get a palindrome (42677624).

The spelling of 10661023 in words is "ten million, six hundred sixty-one thousand, twenty-three".