13123204431371 has 2 divisors, whose sum is σ = 13123204431372. Its totient is φ = 13123204431370.

The previous prime is 13123204431313. The next prime is 13123204431377. The reversal of 13123204431371 is 17313440232131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123204431371 - 2²² = 13123200237067 is a prime.

It is not a weakly prime, because it can be changed into another prime (13123204431377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561602215685 + 6561602215686.

It is an arithmetic number, because the mean of its divisors is an integer number (6561602215686).

Almost surely, 2^{13123204431371} is an apocalyptic number.

13123204431371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123204431371 is an equidigital number, since it uses as much as digits as its factorization.

13123204431371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 13123204431371 in words is "thirteen trillion, one hundred twenty-three billion, two hundred four million, four hundred thirty-one thousand, three hundred seventy-one".