42430122320023 has 2 divisors, whose sum is σ = 42430122320024. Its totient is φ = 42430122320022.

The previous prime is 42430122320009. The next prime is 42430122320051. The reversal of 42430122320023 is 32002322103424.

It is an a-pointer prime, because the next prime (42430122320051) can be obtained adding 42430122320023 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42430122320023 - 2⁹ = 42430122319511 is a prime.

It is a super-2 number, since 2×42430122320023² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42430122319973 and 42430122320000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42430122320123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21215061160011 + 21215061160012.

It is an arithmetic number, because the mean of its divisors is an integer number (21215061160012).

Almost surely, 2^{42430122320023} is an apocalyptic number.

42430122320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42430122320023 is an equidigital number, since it uses as much as digits as its factorization.

42430122320023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42430122320023 its reverse (32002322103424), we get a palindrome (74432444423447).

The spelling of 42430122320023 in words is "forty-two trillion, four hundred thirty billion, one hundred twenty-two million, three hundred twenty thousand, twenty-three".