123232340 has 48 divisors (see below), whose sum is σ = 322648704. Its totient is φ = 38409600.

The previous prime is 123232327. The next prime is 123232379. The reversal of 123232340 is 43232321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38471 + ... + 41550.

It is an arithmetic number, because the mean of its divisors is an integer number (6721848).

Almost surely, 2^123232340 is an apocalyptic number.

123232340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232340 is an abundant number, since it is smaller than the sum of its proper divisors (199416364).

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

123232340 is a wasteful number, since it uses less digits than its factorization.

123232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80048 (or 80046 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123232340 is about 11101.0062606955. The cubic root of 123232340 is about 497.6319221206.

Adding to 123232340 its reverse (43232321), we get a palindrome (166464661).

The spelling of 123232340 in words is "one hundred twenty-three million, two hundred thirty-two thousand, three hundred forty".