123113433 has 16 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 79812480.

The previous prime is 123113423. The next prime is 123113437. The reversal of 123113433 is 334311321.

It is not a de Polignac number, because 123113433 - 2⁵ = 123113401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123113437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12508 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (10546200).

Almost surely, 2^123113433 is an apocalyptic number.

It is an amenable number.

123113433 is a deficient number, since it is larger than the sum of its proper divisors (45625767).

123113433 is an equidigital number, since it uses as much as digits as its factorization.

123113433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712.

The product of its digits is 648, while the sum is 21.

The square root of 123113433 is about 11095.6492824891. The cubic root of 123113433 is about 497.4718154450.

Adding to 123113433 its reverse (334311321), we get a palindrome (457424754).

The spelling of 123113433 in words is "one hundred twenty-three million, one hundred thirteen thousand, four hundred thirty-three".