423430003961 has 2 divisors, whose sum is σ = 423430003962. Its totient is φ = 423430003960.

The previous prime is 423430003907. The next prime is 423430003967. The reversal of 423430003961 is 169300034324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423338916025 + 91087936 = 650645^2 + 9544^2 .

It is a cyclic number.

It is not a de Polignac number, because 423430003961 - 2¹⁴ = 423429987577 is a prime.

It is not a weakly prime, because it can be changed into another prime (423430003967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211715001980 + 211715001981.

It is an arithmetic number, because the mean of its divisors is an integer number (211715001981).

Almost surely, 2^423430003961 is an apocalyptic number.

It is an amenable number.

423430003961 is a deficient number, since it is larger than the sum of its proper divisors (1).

423430003961 is an equidigital number, since it uses as much as digits as its factorization.

423430003961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 423430003961 in words is "four hundred twenty-three billion, four hundred thirty million, three thousand, nine hundred sixty-one".