123304538 has 8 divisors (see below), whose sum is σ = 211379232. Its totient is φ = 52844796.

The previous prime is 123304523. The next prime is 123304561. The reversal of 123304538 is 835403321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123304538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403720 + ... + 4403747.

It is an arithmetic number, because the mean of its divisors is an integer number (26422404).

Almost surely, 2^123304538 is an apocalyptic number.

123304538 is a deficient number, since it is larger than the sum of its proper divisors (88074694).

123304538 is an equidigital number, since it uses as much as digits as its factorization.

123304538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807476.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 123304538 is about 11104.2576519099. The cubic root of 123304538 is about 497.7290855097.

Adding to 123304538 its reverse (835403321), we get a palindrome (958707859).

The spelling of 123304538 in words is "one hundred twenty-three million, three hundred four thousand, five hundred thirty-eight".