42565673323 has 2 divisors, whose sum is σ = 42565673324. Its totient is φ = 42565673322.

The previous prime is 42565673263. The next prime is 42565673333. The reversal of 42565673323 is 32337656524.

42565673323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42565673323 - 2²¹ = 42563576171 is a prime.

It is not a weakly prime, because it can be changed into another prime (42565673333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21282836661 + 21282836662.

It is an arithmetic number, because the mean of its divisors is an integer number (21282836662).

Almost surely, 2^42565673323 is an apocalyptic number.

42565673323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42565673323 is an equidigital number, since it uses as much as digits as its factorization.

42565673323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 46.

The spelling of 42565673323 in words is "forty-two billion, five hundred sixty-five million, six hundred seventy-three thousand, three hundred twenty-three".