42123433322011 has 2 divisors, whose sum is σ = 42123433322012. Its totient is φ = 42123433322010.

The previous prime is 42123433321897. The next prime is 42123433322071. The reversal of 42123433322011 is 11022333432124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42123433322011 - 2⁷ = 42123433321883 is a prime.

It is not a weakly prime, because it can be changed into another prime (42123433322071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21061716661005 + 21061716661006.

It is an arithmetic number, because the mean of its divisors is an integer number (21061716661006).

Almost surely, 2^{42123433322011} is an apocalyptic number.

42123433322011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42123433322011 is an equidigital number, since it uses as much as digits as its factorization.

42123433322011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 42123433322011 its reverse (11022333432124), we get a palindrome (53145766754135).

The spelling of 42123433322011 in words is "forty-two trillion, one hundred twenty-three billion, four hundred thirty-three million, three hundred twenty-two thousand, eleven".