13155212405323 has 2 divisors, whose sum is σ = 13155212405324. Its totient is φ = 13155212405322.

The previous prime is 13155212405311. The next prime is 13155212405341. The reversal of 13155212405323 is 32350421255131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13155212405323 is a prime.

It is a super-2 number, since 2×13155212405323² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13155212405393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577606202661 + 6577606202662.

It is an arithmetic number, because the mean of its divisors is an integer number (6577606202662).

Almost surely, 2^{13155212405323} is an apocalyptic number.

13155212405323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155212405323 is an equidigital number, since it uses as much as digits as its factorization.

13155212405323 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 13155212405323 in words is "thirteen trillion, one hundred fifty-five billion, two hundred twelve million, four hundred five thousand, three hundred twenty-three".