123342423 has 16 divisors (see below), whose sum is σ = 174730080. Its totient is φ = 77245056.

The previous prime is 123342419. The next prime is 123342449. The reversal of 123342423 is 324243321.

It is not a de Polignac number, because 123342423 - 2² = 123342419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123342393 and 123342402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123342823) 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, 15940 + ... + 22377.

It is an arithmetic number, because the mean of its divisors is an integer number (10920630).

Almost surely, 2^123342423 is an apocalyptic number.

123342423 is a deficient number, since it is larger than the sum of its proper divisors (51387657).

123342423 is a wasteful number, since it uses less digits than its factorization.

123342423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38386.

The product of its digits is 3456, while the sum is 24.

The square root of 123342423 is about 11105.9633981028. The cubic root of 123342423 is about 497.7800556141.

Adding to 123342423 its reverse (324243321), we get a palindrome (447585744).

The spelling of 123342423 in words is "one hundred twenty-three million, three hundred forty-two thousand, four hundred twenty-three".