123583161 has 16 divisors (see below), whose sum is σ = 181582016. Its totient is φ = 74281536.

The previous prime is 123583147. The next prime is 123583169. The reversal of 123583161 is 161385321.

It is not a de Polignac number, because 123583161 - 2⁵ = 123583129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123583169) 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, 35170 + ... + 38523.

It is an arithmetic number, because the mean of its divisors is an integer number (11348876).

Almost surely, 2^123583161 is an apocalyptic number.

It is an amenable number.

123583161 is a deficient number, since it is larger than the sum of its proper divisors (57998855).

123583161 is a wasteful number, since it uses less digits than its factorization.

123583161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73752.

The product of its digits is 4320, while the sum is 30.

The square root of 123583161 is about 11116.7963460702. The cubic root of 123583161 is about 498.1036985067.

The spelling of 123583161 in words is "one hundred twenty-three million, five hundred eighty-three thousand, one hundred sixty-one".