42523934239 has 2 divisors, whose sum is σ = 42523934240. Its totient is φ = 42523934238.

The previous prime is 42523934213. The next prime is 42523934311. The reversal of 42523934239 is 93243932524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42523934239 - 2⁷ = 42523934111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42523934039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261967119 + 21261967120.

It is an arithmetic number, because the mean of its divisors is an integer number (21261967120).

Almost surely, 2^42523934239 is an apocalyptic number.

42523934239 is a deficient number, since it is larger than the sum of its proper divisors (1).

42523934239 is an equidigital number, since it uses as much as digits as its factorization.

42523934239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 46.

The spelling of 42523934239 in words is "forty-two billion, five hundred twenty-three million, nine hundred thirty-four thousand, two hundred thirty-nine".