423402409999 has 2 divisors, whose sum is σ = 423402410000. Its totient is φ = 423402409998.

The previous prime is 423402409931. The next prime is 423402410027. The reversal of 423402409999 is 999904204324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423402409999 is a prime.

It is a super-2 number, since 2×423402409999² (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 (423402409909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211701204999 + 211701205000.

It is an arithmetic number, because the mean of its divisors is an integer number (211701205000).

Almost surely, 2^423402409999 is an apocalyptic number.

423402409999 is a deficient number, since it is larger than the sum of its proper divisors (1).

423402409999 is an equidigital number, since it uses as much as digits as its factorization.

423402409999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 423402409999 in words is "four hundred twenty-three billion, four hundred two million, four hundred nine thousand, nine hundred ninety-nine".