123342544 has 20 divisors (see below), whose sum is σ = 257359396. Its totient is φ = 56927232.

The previous prime is 123342517. The next prime is 123342553. The reversal of 123342544 is 445243321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 66912400 = 7512^2 + 8180^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296289 + ... + 296704.

Almost surely, 2^123342544 is an apocalyptic number.

It is an amenable number.

123342544 is an abundant number, since it is smaller than the sum of its proper divisors (134016852).

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

123342544 is a wasteful number, since it uses less digits than its factorization.

123342544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593014 (or 593008 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 123342544 is about 11105.9688456253. The cubic root of 123342544 is about 497.7802183896.

Adding to 123342544 its reverse (445243321), we get a palindrome (568585865).

It can be divided in two parts, 12334 and 2544, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 123342544 in words is "one hundred twenty-three million, three hundred forty-two thousand, five hundred forty-four".