2042240422403 has 2 divisors, whose sum is σ = 2042240422404. Its totient is φ = 2042240422402.

The previous prime is 2042240422351. The next prime is 2042240422433. The reversal of 2042240422403 is 3042240422402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2042240422403 - 2²⁶ = 2042173313539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042240422433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021120211201 + 1021120211202.

It is an arithmetic number, because the mean of its divisors is an integer number (1021120211202).

Almost surely, 2^{2042240422403} is an apocalyptic number.

2042240422403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042240422403 is an equidigital number, since it uses as much as digits as its factorization.

2042240422403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 2042240422403 its reverse (3042240422402), we get a palindrome (5084480844805).

Subtracting 2042240422403 from its reverse (3042240422402), we obtain a palindrome (999999999999).

The spelling of 2042240422403 in words is "two trillion, forty-two billion, two hundred forty million, four hundred twenty-two thousand, four hundred three".