1233421320344 has 16 divisors (see below), whose sum is σ = 2413215627120. Its totient is φ = 589897153120.

The previous prime is 1233421320289. The next prime is 1233421320349. The reversal of 1233421320344 is 4430231243321.

It is a self number, because there is not a number n which added to its sum of digits gives 1233421320344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233421320349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351688187 + ... + 3351688554.

It is an arithmetic number, because the mean of its divisors is an integer number (150825976695).

Almost surely, 2^{1233421320344} is an apocalyptic number.

It is an amenable number.

1233421320344 is a deficient number, since it is larger than the sum of its proper divisors (1179794306776).

1233421320344 is a wasteful number, since it uses less digits than its factorization.

1233421320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703376770 (or 6703376766 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1233421320344 its reverse (4430231243321), we get a palindrome (5663652563665).

The spelling of 1233421320344 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-one million, three hundred twenty thousand, three hundred forty-four".