42567433523 has 2 divisors, whose sum is σ = 42567433524. Its totient is φ = 42567433522.

The previous prime is 42567433453. The next prime is 42567433529. The reversal of 42567433523 is 32533476524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42567433523 - 2²² = 42563239219 is a prime.

It is not a weakly prime, because it can be changed into another prime (42567433529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283716761 + 21283716762.

It is an arithmetic number, because the mean of its divisors is an integer number (21283716762).

Almost surely, 2^42567433523 is an apocalyptic number.

42567433523 is a deficient number, since it is larger than the sum of its proper divisors (1).

42567433523 is an equidigital number, since it uses as much as digits as its factorization.

42567433523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 44.

The spelling of 42567433523 in words is "forty-two billion, five hundred sixty-seven million, four hundred thirty-three thousand, five hundred twenty-three".