42021288212023 has 2 divisors, whose sum is σ = 42021288212024. Its totient is φ = 42021288212022.

The previous prime is 42021288212009. The next prime is 42021288212041. The reversal of 42021288212023 is 32021288212024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42021288212023 - 2¹⁷ = 42021288080951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42021288212053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010644106011 + 21010644106012.

It is an arithmetic number, because the mean of its divisors is an integer number (21010644106012).

Almost surely, 2^{42021288212023} is an apocalyptic number.

42021288212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42021288212023 is an equidigital number, since it uses as much as digits as its factorization.

42021288212023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 37.

Subtracting from 42021288212023 its reverse (32021288212024), we obtain a palindrome (9999999999999).

The spelling of 42021288212023 in words is "forty-two trillion, twenty-one billion, two hundred eighty-eight million, two hundred twelve thousand, twenty-three".