420040341323 has 2 divisors, whose sum is σ = 420040341324. Its totient is φ = 420040341322.

The previous prime is 420040341311. The next prime is 420040341373. The reversal of 420040341323 is 323143040024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420040341323 - 2¹⁴ = 420040324939 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 420040341292 and 420040341301.

It is not a weakly prime, because it can be changed into another prime (420040341373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210020170661 + 210020170662.

It is an arithmetic number, because the mean of its divisors is an integer number (210020170662).

Almost surely, 2^420040341323 is an apocalyptic number.

420040341323 is a deficient number, since it is larger than the sum of its proper divisors (1).

420040341323 is an equidigital number, since it uses as much as digits as its factorization.

420040341323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 420040341323 its reverse (323143040024), we get a palindrome (743183381347).

The spelling of 420040341323 in words is "four hundred twenty billion, forty million, three hundred forty-one thousand, three hundred twenty-three".