1231230323320 has 32 divisors (see below), whose sum is σ = 2770299810720. Its totient is φ = 492486514560.

The previous prime is 1231230323317. The next prime is 1231230323333. The reversal of 1231230323320 is 233230321321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6830269 + ... + 7008211.

It is an arithmetic number, because the mean of its divisors is an integer number (86571869085).

Almost surely, 2^{1231230323320} is an apocalyptic number.

1231230323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231230323320 is an abundant number, since it is smaller than the sum of its proper divisors (1539069487400).

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

1231230323320 is a wasteful number, since it uses less digits than its factorization.

1231230323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350935 (or 350931 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1231230323320 its reverse (233230321321), we get a palindrome (1464460644641).

The spelling of 1231230323320 in words is "one trillion, two hundred thirty-one billion, two hundred thirty million, three hundred twenty-three thousand, three hundred twenty".