123132165 has 32 divisors (see below), whose sum is σ = 214878720. Its totient is φ = 59844096.

The previous prime is 123132157. The next prime is 123132167. The reversal of 123132165 is 561231321.

It is not a de Polignac number, because 123132165 - 2³ = 123132157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132167) 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, 11409 + ... + 19401.

It is an arithmetic number, because the mean of its divisors is an integer number (6714960).

Almost surely, 2^123132165 is an apocalyptic number.

123132165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123132165 is a deficient number, since it is larger than the sum of its proper divisors (91746555).

123132165 is a wasteful number, since it uses less digits than its factorization.

123132165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093.

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

The square root of 123132165 is about 11096.4933650230. The cubic root of 123132165 is about 497.4970446699.

Adding to 123132165 its reverse (561231321), we get a palindrome (684363486).

The spelling of 123132165 in words is "one hundred twenty-three million, one hundred thirty-two thousand, one hundred sixty-five".