423442312207 has 2 divisors, whose sum is σ = 423442312208. Its totient is φ = 423442312206.

The previous prime is 423442312171. The next prime is 423442312211. The reversal of 423442312207 is 702213244324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423442312207 is a prime.

It is a super-2 number, since 2×423442312207² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423442312297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721156103 + 211721156104.

It is an arithmetic number, because the mean of its divisors is an integer number (211721156104).

Almost surely, 2^423442312207 is an apocalyptic number.

423442312207 is a deficient number, since it is larger than the sum of its proper divisors (1).

423442312207 is an equidigital number, since it uses as much as digits as its factorization.

423442312207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 423442312207 in words is "four hundred twenty-three billion, four hundred forty-two million, three hundred twelve thousand, two hundred seven".