430421223173 has 2 divisors, whose sum is σ = 430421223174. Its totient is φ = 430421223172.

The previous prime is 430421223131. The next prime is 430421223277. The reversal of 430421223173 is 371322124034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378098320609 + 52322902564 = 614897^2 + 228742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430421223173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430421228173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215210611586 + 215210611587.

It is an arithmetic number, because the mean of its divisors is an integer number (215210611587).

Almost surely, 2^430421223173 is an apocalyptic number.

It is an amenable number.

430421223173 is a deficient number, since it is larger than the sum of its proper divisors (1).

430421223173 is an equidigital number, since it uses as much as digits as its factorization.

430421223173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 430421223173 in words is "four hundred thirty billion, four hundred twenty-one million, two hundred twenty-three thousand, one hundred seventy-three".