13212323315023 has 24 divisors (see below), whose sum is σ = 16431517338912. Its totient is φ = 10555198585344.

The previous prime is 13212323314997. The next prime is 13212323315053. The reversal of 13212323315023 is 32051332321231.

It is not a de Polignac number, because 13212323315023 - 2⁹ = 13212323314511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212323315053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76909990 + ... + 77081587.

It is an arithmetic number, because the mean of its divisors is an integer number (684646555788).

Almost surely, 2^{13212323315023} is an apocalyptic number.

13212323315023 is a deficient number, since it is larger than the sum of its proper divisors (3219194023889).

13212323315023 is a wasteful number, since it uses less digits than its factorization.

13212323315023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153991711 (or 153991704 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 13212323315023 its reverse (32051332321231), we get a palindrome (45263655636254).

The spelling of 13212323315023 in words is "thirteen trillion, two hundred twelve billion, three hundred twenty-three million, three hundred fifteen thousand, twenty-three".