123340550 has 24 divisors (see below), whose sum is σ = 229954032. Its totient is φ = 49220000.

The previous prime is 123340531. The next prime is 123340577. The reversal of 123340550 is 55043321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20375 + ... + 25725.

It is an arithmetic number, because the mean of its divisors is an integer number (9581418).

Almost surely, 2^123340550 is an apocalyptic number.

123340550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123340550 is a deficient number, since it is larger than the sum of its proper divisors (106613482).

123340550 is a wasteful number, since it uses less digits than its factorization.

123340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824 (or 5819 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 123340550 is about 11105.8790737159. The cubic root of 123340550 is about 497.7775359437. Note that the first 3 decimals are identical.

Adding to 123340550 its reverse (55043321), we get a palindrome (178383871).

The spelling of 123340550 in words is "one hundred twenty-three million, three hundred forty thousand, five hundred fifty".