123323560 has 16 divisors (see below), whose sum is σ = 277478100. Its totient is φ = 49329408.

The previous prime is 123323537. The next prime is 123323561. The reversal of 123323560 is 65323321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108868356 + 14455204 = 10434^2 + 3802^2 .

It is not an unprimeable number, because it can be changed into a prime (123323561) by changing a digit.

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, 1541505 + ... + 1541584.

Almost surely, 2^123323560 is an apocalyptic number.

123323560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123323560 is an abundant number, since it is smaller than the sum of its proper divisors (154154540).

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

123323560 is a wasteful number, since it uses less digits than its factorization.

123323560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083100 (or 3083096 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 123323560 is about 11105.1141371892. The cubic root of 123323560 is about 497.7546788253.

Adding to 123323560 its reverse (65323321), we get a palindrome (188646881).

The spelling of 123323560 in words is "one hundred twenty-three million, three hundred twenty-three thousand, five hundred sixty".