423099967 has 2 divisors, whose sum is σ = 423099968. Its totient is φ = 423099966.

The previous prime is 423099947. The next prime is 423099983. The reversal of 423099967 is 769990324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423099967 - 2⁷ = 423099839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423099967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423099947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211549983 + 211549984.

It is an arithmetic number, because the mean of its divisors is an integer number (211549984).

Almost surely, 2^423099967 is an apocalyptic number.

423099967 is a deficient number, since it is larger than the sum of its proper divisors (1).

423099967 is an equidigital number, since it uses as much as digits as its factorization.

423099967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 423099967 is about 20569.3939385680. The cubic root of 423099967 is about 750.7252049148.

The spelling of 423099967 in words is "four hundred twenty-three million, ninety-nine thousand, nine hundred sixty-seven".