13123204431332 has 6 divisors (see below), whose sum is σ = 22965607754838. Its totient is φ = 6561602215664.

The previous prime is 13123204431313. The next prime is 13123204431371. The reversal of 13123204431332 is 23313440232131.

It can be written as a sum of positive squares in only one way, i.e., 11491923720676 + 1631280710656 = 3389974^2 + 1277216^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640400553913 + ... + 1640400553920.

It is an arithmetic number, because the mean of its divisors is an integer number (3827601292473).

Almost surely, 2^{13123204431332} is an apocalyptic number.

It is an amenable number.

13123204431332 is a deficient number, since it is larger than the sum of its proper divisors (9842403323506).

13123204431332 is a wasteful number, since it uses less digits than its factorization.

13123204431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280801107837 (or 3280801107835 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 13123204431332 its reverse (23313440232131), we get a palindrome (36436644663463).

The spelling of 13123204431332 in words is "thirteen trillion, one hundred twenty-three billion, two hundred four million, four hundred thirty-one thousand, three hundred thirty-two".