123005112323 has 4 divisors (see below), whose sum is σ = 124154692920. Its totient is φ = 121855531728.

The previous prime is 123005112317. The next prime is 123005112407. The reversal of 123005112323 is 323211500321.

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 123005112323 - 2²⁰ = 123004063747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123005112523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574790138 + ... + 574790351.

It is an arithmetic number, because the mean of its divisors is an integer number (31038673230).

Almost surely, 2^123005112323 is an apocalyptic number.

123005112323 is a deficient number, since it is larger than the sum of its proper divisors (1149580597).

123005112323 is a wasteful number, since it uses less digits than its factorization.

123005112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149580596.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 123005112323 its reverse (323211500321), we get a palindrome (446216612644).

The spelling of 123005112323 in words is "one hundred twenty-three billion, five million, one hundred twelve thousand, three hundred twenty-three".