123304660 has 48 divisors (see below), whose sum is σ = 263741184. Its totient is φ = 48417408.

The previous prime is 123304603. The next prime is 123304663. The reversal of 123304660 is 66403321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123304663) 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, 335797 + ... + 336163.

It is an arithmetic number, because the mean of its divisors is an integer number (5494608).

Almost surely, 2^123304660 is an apocalyptic number.

123304660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123304660 is an abundant number, since it is smaller than the sum of its proper divisors (140436524).

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

123304660 is a wasteful number, since it uses less digits than its factorization.

123304660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 123304660 is about 11104.2631452969. The cubic root of 123304660 is about 497.7292496641.

Adding to 123304660 its reverse (66403321), we get a palindrome (189707981).

The spelling of 123304660 in words is "one hundred twenty-three million, three hundred four thousand, six hundred sixty".