71349358123 has 2 divisors, whose sum is σ = 71349358124. Its totient is φ = 71349358122.

The previous prime is 71349358099. The next prime is 71349358153. The reversal of 71349358123 is 32185394317.

It is a weak prime.

It is an emirp because it is prime and its reverse (32185394317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71349358123 - 2¹³ = 71349349931 is a prime.

It is not a weakly prime, because it can be changed into another prime (71349358153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35674679061 + 35674679062.

It is an arithmetic number, because the mean of its divisors is an integer number (35674679062).

Almost surely, 2^71349358123 is an apocalyptic number.

71349358123 is a deficient number, since it is larger than the sum of its proper divisors (1).

71349358123 is an equidigital number, since it uses as much as digits as its factorization.

71349358123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The spelling of 71349358123 in words is "seventy-one billion, three hundred forty-nine million, three hundred fifty-eight thousand, one hundred twenty-three".