423474837277 has 2 divisors, whose sum is σ = 423474837278. Its totient is φ = 423474837276.

The previous prime is 423474837223. The next prime is 423474837347. The reversal of 423474837277 is 772738474324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412486347001 + 10988490276 = 642251^2 + 104826^2 .

It is a cyclic number.

It is not a de Polignac number, because 423474837277 - 2²⁷ = 423340619549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423474837377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211737418638 + 211737418639.

It is an arithmetic number, because the mean of its divisors is an integer number (211737418639).

Almost surely, 2^423474837277 is an apocalyptic number.

It is an amenable number.

423474837277 is a deficient number, since it is larger than the sum of its proper divisors (1).

423474837277 is an equidigital number, since it uses as much as digits as its factorization.

423474837277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44255232, while the sum is 58.

The spelling of 423474837277 in words is "four hundred twenty-three billion, four hundred seventy-four million, eight hundred thirty-seven thousand, two hundred seventy-seven".