1231232320322 has 8 divisors (see below), whose sum is σ = 1927146240576. Its totient is φ = 588850240132.

The previous prime is 1231232320261. The next prime is 1231232320333. The reversal of 1231232320322 is 2230232321321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1231232320291 and 1231232320300.

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, 13382959958 + ... + 13382960049.

It is an arithmetic number, because the mean of its divisors is an integer number (240893280072).

Almost surely, 2^{1231232320322} is an apocalyptic number.

1231232320322 is a deficient number, since it is larger than the sum of its proper divisors (695913920254).

1231232320322 is a wasteful number, since it uses less digits than its factorization.

1231232320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26765920032.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1231232320322 its reverse (2230232321321), we get a palindrome (3461464641643).

Subtracting 1231232320322 from its reverse (2230232321321), we obtain a palindrome (999000000999).

The spelling of 1231232320322 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred twenty thousand, three hundred twenty-two".