42235253243 has 2 divisors, whose sum is σ = 42235253244. Its totient is φ = 42235253242.

The previous prime is 42235253227. The next prime is 42235253279. The reversal of 42235253243 is 34235253224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42235253243 - 2⁴ = 42235253227 is a prime.

It is not a weakly prime, because it can be changed into another prime (42235223243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117626621 + 21117626622.

It is an arithmetic number, because the mean of its divisors is an integer number (21117626622).

Almost surely, 2^42235253243 is an apocalyptic number.

42235253243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42235253243 is an equidigital number, since it uses as much as digits as its factorization.

42235253243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 35.

The spelling of 42235253243 in words is "forty-two billion, two hundred thirty-five million, two hundred fifty-three thousand, two hundred forty-three".