423668044799 has 2 divisors, whose sum is σ = 423668044800. Its totient is φ = 423668044798.

The previous prime is 423668044783. The next prime is 423668044823. The reversal of 423668044799 is 997440866324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423668044799 - 2⁴ = 423668044783 is a prime.

It is a super-2 number, since 2×423668044799² (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 (423668041799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211834022399 + 211834022400.

It is an arithmetic number, because the mean of its divisors is an integer number (211834022400).

Almost surely, 2^423668044799 is an apocalyptic number.

423668044799 is a deficient number, since it is larger than the sum of its proper divisors (1).

423668044799 is an equidigital number, since it uses as much as digits as its factorization.

423668044799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 423668044799 in words is "four hundred twenty-three billion, six hundred sixty-eight million, forty-four thousand, seven hundred ninety-nine".