423003891071 has 2 divisors, whose sum is σ = 423003891072. Its totient is φ = 423003891070.

The previous prime is 423003891041. The next prime is 423003891103. The reversal of 423003891071 is 170198300324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423003891071 - 2¹⁰ = 423003890047 is a prime.

It is a super-2 number, since 2×423003891071² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423003891041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211501945535 + 211501945536.

It is an arithmetic number, because the mean of its divisors is an integer number (211501945536).

Almost surely, 2^423003891071 is an apocalyptic number.

423003891071 is a deficient number, since it is larger than the sum of its proper divisors (1).

423003891071 is an equidigital number, since it uses as much as digits as its factorization.

423003891071 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 38.

The spelling of 423003891071 in words is "four hundred twenty-three billion, three million, eight hundred ninety-one thousand, seventy-one".