420514434023 has 2 divisors, whose sum is σ = 420514434024. Its totient is φ = 420514434022.

The previous prime is 420514433987. The next prime is 420514434031. The reversal of 420514434023 is 320434415024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420514434023 - 2¹² = 420514429927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420514431023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210257217011 + 210257217012.

It is an arithmetic number, because the mean of its divisors is an integer number (210257217012).

Almost surely, 2^420514434023 is an apocalyptic number.

420514434023 is a deficient number, since it is larger than the sum of its proper divisors (1).

420514434023 is an equidigital number, since it uses as much as digits as its factorization.

420514434023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 420514434023 its reverse (320434415024), we get a palindrome (740948849047).

The spelling of 420514434023 in words is "four hundred twenty billion, five hundred fourteen million, four hundred thirty-four thousand, twenty-three".