1232323120 has 40 divisors (see below), whose sum is σ = 3274460064. Its totient is φ = 422510592.

The previous prime is 1232323117. The next prime is 1232323121. The reversal of 1232323120 is 213232321.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1232323121) 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 7 ways as a sum of consecutive naturals, for example, 1099729 + ... + 1100848.

Almost surely, 2^1232323120 is an apocalyptic number.

1232323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232323120 is an abundant number, since it is smaller than the sum of its proper divisors (2042136944).

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

1232323120 is a wasteful number, since it uses less digits than its factorization.

1232323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200597 (or 2200591 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232323120 is about 35104.4601154896. The cubic root of 1232323120 is about 1072.1153946842.

Adding to 1232323120 its reverse (213232321), we get a palindrome (1445555441).

The spelling of 1232323120 in words is "one billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred twenty".