13212140031423 has 12 divisors (see below), whose sum is σ = 19084317226000. Its totient is φ = 8808040296576.

The previous prime is 13212140031383. The next prime is 13212140031439. The reversal of 13212140031423 is 32413004121231.

13212140031423 is a `hidden beast` number, since 1 + 3 + 21 + 214 + 0 + 0 + 3 + 1 + 423 = 666.

13212140031423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13212140031423 - 2⁹ = 13212140030911 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 (13212140031473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2813611 + ... + 5860092.

Almost surely, 2^{13212140031423} is an apocalyptic number.

13212140031423 is a deficient number, since it is larger than the sum of its proper divisors (5872177194577).

13212140031423 is a wasteful number, since it uses less digits than its factorization.

13212140031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842958 (or 8842955 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13212140031423 its reverse (32413004121231), we get a palindrome (45625144152654).

The spelling of 13212140031423 in words is "thirteen trillion, two hundred twelve billion, one hundred forty million, thirty-one thousand, four hundred twenty-three".