123330320 has 20 divisors (see below), whose sum is σ = 286743180. Its totient is φ = 49332096.

The previous prime is 123330271. The next prime is 123330341. The reversal of 123330320 is 23033321.

It can be written as a sum of positive squares in 2 ways, for example, as 82011136 + 41319184 = 9056^2 + 6428^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 770735 + ... + 770894.

It is an arithmetic number, because the mean of its divisors is an integer number (14337159).

Almost surely, 2^123330320 is an apocalyptic number.

123330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123330320 is an abundant number, since it is smaller than the sum of its proper divisors (163412860).

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

123330320 is a wasteful number, since it uses less digits than its factorization.

123330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541642 (or 1541636 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 123330320 is about 11105.4184972922. The cubic root of 123330320 is about 497.7637734923.

Adding to 123330320 its reverse (23033321), we get a palindrome (146363641).

The spelling of 123330320 in words is "one hundred twenty-three million, three hundred thirty thousand, three hundred twenty".