34515716143423 has 2 divisors, whose sum is σ = 34515716143424. Its totient is φ = 34515716143422.

The previous prime is 34515716143421. The next prime is 34515716143471. The reversal of 34515716143423 is 32434161751543.

It is a weak prime.

It is an emirp because it is prime and its reverse (32434161751543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34515716143423 - 2¹ = 34515716143421 is a prime.

Together with 34515716143421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34515716143421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17257858071711 + 17257858071712.

It is an arithmetic number, because the mean of its divisors is an integer number (17257858071712).

Almost surely, 2^{34515716143423} is an apocalyptic number.

34515716143423 is a deficient number, since it is larger than the sum of its proper divisors (1).

34515716143423 is an equidigital number, since it uses as much as digits as its factorization.

34515716143423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 49.

Adding to 34515716143423 its reverse (32434161751543), we get a palindrome (66949877894966).

The spelling of 34515716143423 in words is "thirty-four trillion, five hundred fifteen billion, seven hundred sixteen million, one hundred forty-three thousand, four hundred twenty-three".