423402324461 has 2 divisors, whose sum is σ = 423402324462. Its totient is φ = 423402324460.

The previous prime is 423402324451. The next prime is 423402324467. The reversal of 423402324461 is 164423204324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212290562500 + 211111761961 = 460750^2 + 459469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423402324461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423402324467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211701162230 + 211701162231.

It is an arithmetic number, because the mean of its divisors is an integer number (211701162231).

Almost surely, 2^423402324461 is an apocalyptic number.

It is an amenable number.

423402324461 is a deficient number, since it is larger than the sum of its proper divisors (1).

423402324461 is an equidigital number, since it uses as much as digits as its factorization.

423402324461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 423402324461 its reverse (164423204324), we get a palindrome (587825528785).

The spelling of 423402324461 in words is "four hundred twenty-three billion, four hundred two million, three hundred twenty-four thousand, four hundred sixty-one".