213303123233144 has 64 divisors (see below), whose sum is σ = 467780045187840. Its totient is φ = 89275895815680.

The previous prime is 213303123233143. The next prime is 213303123233147. The reversal of 213303123233144 is 441332321303312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303123233141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8772347 + ... + 22440149.

It is an arithmetic number, because the mean of its divisors is an integer number (7309063206060).

Almost surely, 2^{213303123233144} is an apocalyptic number.

It is an amenable number.

213303123233144 is an abundant number, since it is smaller than the sum of its proper divisors (254476921954696).

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

213303123233144 is a wasteful number, since it uses less digits than its factorization.

213303123233144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13674340 (or 13674336 counting only the distinct ones).

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

Adding to 213303123233144 its reverse (441332321303312), we get a palindrome (654635444536456).

The spelling of 213303123233144 in words is "two hundred thirteen trillion, three hundred three billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred forty-four".