213303123231344 has 20 divisors (see below), whose sum is σ = 413713988113800. Its totient is φ = 106538223072960.

The previous prime is 213303123231343. The next prime is 213303123231371. The reversal of 213303123231344 is 443132321303312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303123231343) 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 3 ways as a sum of consecutive naturals, for example, 7083643394 + ... + 7083673505.

It is an arithmetic number, because the mean of its divisors is an integer number (20685699405690).

Almost surely, 2^{213303123231344} is an apocalyptic number.

It is an amenable number.

213303123231344 is a deficient number, since it is larger than the sum of its proper divisors (200410864882456).

213303123231344 is a wasteful number, since it uses less digits than its factorization.

213303123231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167317848 (or 14167317842 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 213303123231344 its reverse (443132321303312), we get a palindrome (656435444534656).

The spelling of 213303123231344 in words is "two hundred thirteen trillion, three hundred three billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred forty-four".