423220124461 has 2 divisors, whose sum is σ = 423220124462. Its totient is φ = 423220124460.

The previous prime is 423220124413. The next prime is 423220124489. The reversal of 423220124461 is 164421022324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379941563236 + 43278561225 = 616394^2 + 208035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423220124461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423220124401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211610062230 + 211610062231.

It is an arithmetic number, because the mean of its divisors is an integer number (211610062231).

Almost surely, 2^423220124461 is an apocalyptic number.

It is an amenable number.

423220124461 is a deficient number, since it is larger than the sum of its proper divisors (1).

423220124461 is an equidigital number, since it uses as much as digits as its factorization.

423220124461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 423220124461 its reverse (164421022324), we get a palindrome (587641146785).

The spelling of 423220124461 in words is "four hundred twenty-three billion, two hundred twenty million, one hundred twenty-four thousand, four hundred sixty-one".