123342443 has 4 divisors (see below), whose sum is σ = 140962800. Its totient is φ = 105722088.

The previous prime is 123342419. The next prime is 123342449. The reversal of 123342443 is 344243321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344243321 = 53 ⋅6495157.

It is a cyclic number.

It is not a de Polignac number, because 123342443 - 2⁶ = 123342379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123342449) 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, 8810168 + ... + 8810181.

It is an arithmetic number, because the mean of its divisors is an integer number (35240700).

Almost surely, 2^123342443 is an apocalyptic number.

123342443 is a deficient number, since it is larger than the sum of its proper divisors (17620357).

123342443 is an equidigital number, since it uses as much as digits as its factorization.

123342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17620356.

The product of its digits is 6912, while the sum is 26.

The square root of 123342443 is about 11105.9642985200. The cubic root of 123342443 is about 497.7800825192.

Adding to 123342443 its reverse (344243321), we get a palindrome (467585764).

The spelling of 123342443 in words is "one hundred twenty-three million, three hundred forty-two thousand, four hundred forty-three".