42709341023 has 2 divisors, whose sum is σ = 42709341024. Its totient is φ = 42709341022.

The previous prime is 42709340957. The next prime is 42709341029. The reversal of 42709341023 is 32014390724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42709341023 - 2⁸ = 42709340767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42709341029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354670511 + 21354670512.

It is an arithmetic number, because the mean of its divisors is an integer number (21354670512).

Almost surely, 2^42709341023 is an apocalyptic number.

42709341023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42709341023 is an equidigital number, since it uses as much as digits as its factorization.

42709341023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 42709341023 in words is "forty-two billion, seven hundred nine million, three hundred forty-one thousand, twenty-three".