42850470992123 has 2 divisors, whose sum is σ = 42850470992124. Its totient is φ = 42850470992122.

The previous prime is 42850470992111. The next prime is 42850470992149. The reversal of 42850470992123 is 32129907405824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42850470992123 - 2⁶ = 42850470992059 is a prime.

It is not a weakly prime, because it can be changed into another prime (42850470992323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425235496061 + 21425235496062.

It is an arithmetic number, because the mean of its divisors is an integer number (21425235496062).

Almost surely, 2^{42850470992123} is an apocalyptic number.

42850470992123 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850470992123 is an equidigital number, since it uses as much as digits as its factorization.

42850470992123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 42850470992123 in words is "forty-two trillion, eight hundred fifty billion, four hundred seventy million, nine hundred ninety-two thousand, one hundred twenty-three".