13423515052312 has 32 divisors (see below), whose sum is σ = 25391889357120. Its totient is φ = 6652468469920.

The previous prime is 13423515052231. The next prime is 13423515052379. The reversal of 13423515052312 is 21325051532431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6877378 + ... + 8610769.

It is an arithmetic number, because the mean of its divisors is an integer number (793496542410).

Almost surely, 2^{13423515052312} is an apocalyptic number.

It is an amenable number.

13423515052312 is a deficient number, since it is larger than the sum of its proper divisors (11968374304808).

13423515052312 is a wasteful number, since it uses less digits than its factorization.

13423515052312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489111 (or 15489107 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13423515052312 its reverse (21325051532431), we get a palindrome (34748566584743).

The spelling of 13423515052312 in words is "thirteen trillion, four hundred twenty-three billion, five hundred fifteen million, fifty-two thousand, three hundred twelve".