123113043 has 12 divisors (see below), whose sum is σ = 185562000. Its totient is φ = 78506736.

The previous prime is 123113021. The next prime is 123113057. The reversal of 123113043 is 340311321.

It is not a de Polignac number, because 123113043 - 2¹⁰ = 123112019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123113063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297168 + ... + 297581.

It is an arithmetic number, because the mean of its divisors is an integer number (15463500).

Almost surely, 2^123113043 is an apocalyptic number.

123113043 is a deficient number, since it is larger than the sum of its proper divisors (62448957).

123113043 is a wasteful number, since it uses less digits than its factorization.

123113043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594778 (or 594775 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 123113043 is about 11095.6317080192. The cubic root of 123113043 is about 497.4712901456.

Adding to 123113043 its reverse (340311321), we get a palindrome (463424364).

The spelling of 123113043 in words is "one hundred twenty-three million, one hundred thirteen thousand, forty-three".