42123396011 has 2 divisors, whose sum is σ = 42123396012. Its totient is φ = 42123396010.

The previous prime is 42123395987. The next prime is 42123396019. The reversal of 42123396011 is 11069332124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42123396011 - 2¹⁰ = 42123394987 is a prime.

It is not a weakly prime, because it can be changed into another prime (42123396019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21061698005 + 21061698006.

It is an arithmetic number, because the mean of its divisors is an integer number (21061698006).

Almost surely, 2^42123396011 is an apocalyptic number.

42123396011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42123396011 is an equidigital number, since it uses as much as digits as its factorization.

42123396011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 42123396011 in words is "forty-two billion, one hundred twenty-three million, three hundred ninety-six thousand, eleven".