42523183564579 has 2 divisors, whose sum is σ = 42523183564580. Its totient is φ = 42523183564578.

The previous prime is 42523183564523. The next prime is 42523183564583. The reversal of 42523183564579 is 97546538132524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42523183564579 is a prime.

It is a super-2 number, since 2×42523183564579² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42523183564579.

It is not a weakly prime, because it can be changed into another prime (42523183564079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261591782289 + 21261591782290.

It is an arithmetic number, because the mean of its divisors is an integer number (21261591782290).

Almost surely, 2^{42523183564579} is an apocalyptic number.

42523183564579 is a deficient number, since it is larger than the sum of its proper divisors (1).

42523183564579 is an equidigital number, since it uses as much as digits as its factorization.

42523183564579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728000, while the sum is 64.

The spelling of 42523183564579 in words is "forty-two trillion, five hundred twenty-three billion, one hundred eighty-three million, five hundred sixty-four thousand, five hundred seventy-nine".