423706829090071 has 2 divisors, whose sum is σ = 423706829090072. Its totient is φ = 423706829090070.

The previous prime is 423706829089937. The next prime is 423706829090161. The reversal of 423706829090071 is 170090928607324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423706829090071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423706829089988 and 423706829090015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423706829090471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211853414545035 + 211853414545036.

It is an arithmetic number, because the mean of its divisors is an integer number (211853414545036).

Almost surely, 2^{423706829090071} is an apocalyptic number.

423706829090071 is a deficient number, since it is larger than the sum of its proper divisors (1).

423706829090071 is an equidigital number, since it uses as much as digits as its factorization.

423706829090071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 423706829090071 in words is "four hundred twenty-three trillion, seven hundred six billion, eight hundred twenty-nine million, ninety thousand, seventy-one".