83423129719 has 2 divisors, whose sum is σ = 83423129720. Its totient is φ = 83423129718.

The previous prime is 83423129687. The next prime is 83423129743. The reversal of 83423129719 is 91792132438.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83423129719 - 2⁵ = 83423129687 is a prime.

It is a super-2 number, since 2×83423129719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83423129749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41711564859 + 41711564860.

It is an arithmetic number, because the mean of its divisors is an integer number (41711564860).

Almost surely, 2^83423129719 is an apocalyptic number.

83423129719 is a deficient number, since it is larger than the sum of its proper divisors (1).

83423129719 is an equidigital number, since it uses as much as digits as its factorization.

83423129719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 83423129719 in words is "eighty-three billion, four hundred twenty-three million, one hundred twenty-nine thousand, seven hundred nineteen".