423430523827 has 2 divisors, whose sum is σ = 423430523828. Its totient is φ = 423430523826.

The previous prime is 423430523753. The next prime is 423430523833. The reversal of 423430523827 is 728325034324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423430523827 - 2⁷ = 423430523699 is a prime.

It is a super-2 number, since 2×423430523827² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423430523927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211715261913 + 211715261914.

It is an arithmetic number, because the mean of its divisors is an integer number (211715261914).

Almost surely, 2^423430523827 is an apocalyptic number.

423430523827 is a deficient number, since it is larger than the sum of its proper divisors (1).

423430523827 is an equidigital number, since it uses as much as digits as its factorization.

423430523827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 423430523827 in words is "four hundred twenty-three billion, four hundred thirty million, five hundred twenty-three thousand, eight hundred twenty-seven".