423043277 has 2 divisors, whose sum is σ = 423043278. Its totient is φ = 423043276.

The previous prime is 423043273. The next prime is 423043321. The reversal of 423043277 is 772340324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299255401 + 123787876 = 17299^2 + 11126^2 .

It is a cyclic number.

It is not a de Polignac number, because 423043277 - 2² = 423043273 is a prime.

It is a super-2 number, since 2×423043277² = 357931228429797458, which contains 22 as substring.

It is a Chen prime.

It is equal to p_22497800 and since 423043277 and 22497800 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423043273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211521638 + 211521639.

It is an arithmetic number, because the mean of its divisors is an integer number (211521639).

Almost surely, 2^423043277 is an apocalyptic number.

It is an amenable number.

423043277 is a deficient number, since it is larger than the sum of its proper divisors (1).

423043277 is an equidigital number, since it uses as much as digits as its factorization.

423043277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 423043277 is about 20568.0158741673. The cubic root of 423043277 is about 750.6916742159.

The spelling of 423043277 in words is "four hundred twenty-three million, forty-three thousand, two hundred seventy-seven".