1232321343442 has 32 divisors (see below), whose sum is σ = 2161849485312. Its totient is φ = 515814992784.

The previous prime is 1232321343437. The next prime is 1232321343443. The reversal of 1232321343442 is 2443431232321.

It is a junction number, because it is equal to n+sod(n) for n = 1232321343398 and 1232321343407.

It is not an unprimeable number, because it can be changed into a prime (1232321343443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8334853 + ... + 8481415.

It is an arithmetic number, because the mean of its divisors is an integer number (67557796416).

Almost surely, 2^{1232321343442} is an apocalyptic number.

1232321343442 is a deficient number, since it is larger than the sum of its proper divisors (929528141870).

1232321343442 is a wasteful number, since it uses less digits than its factorization.

1232321343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160582.

The product of its digits is 82944, while the sum is 34.

Adding to 1232321343442 its reverse (2443431232321), we get a palindrome (3675752575763).

The spelling of 1232321343442 in words is "one trillion, two hundred thirty-two billion, three hundred twenty-one million, three hundred forty-three thousand, four hundred forty-two".