123423344 has 40 divisors (see below), whose sum is σ = 261626112. Its totient is φ = 55939520.

The previous prime is 123423343. The next prime is 123423367. The reversal of 123423344 is 443324321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123423341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77177 + ... + 78759.

Almost surely, 2^123423344 is an apocalyptic number.

It is an amenable number.

123423344 is an abundant number, since it is smaller than the sum of its proper divisors (138202768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123423344 is a wasteful number, since it uses less digits than its factorization.

123423344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2039 counting only the distinct ones).

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

The square root of 123423344 is about 11109.6059336054. The cubic root of 123423344 is about 497.8888909824. Note that the first 4 decimals are identical.

Adding to 123423344 its reverse (443324321), we get a palindrome (566747665).

The spelling of 123423344 in words is "one hundred twenty-three million, four hundred twenty-three thousand, three hundred forty-four".