201430123302073 has 2 divisors, whose sum is σ = 201430123302074. Its totient is φ = 201430123302072.

The previous prime is 201430123302029. The next prime is 201430123302077. The reversal of 201430123302073 is 370203321034102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193609330723449 + 7820792578624 = 13914357^2 + 2796568^2 .

It is a cyclic number.

It is not a de Polignac number, because 201430123302073 - 2⁴¹ = 199231100046521 is a prime.

It is not a weakly prime, because it can be changed into another prime (201430123302077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100715061651036 + 100715061651037.

It is an arithmetic number, because the mean of its divisors is an integer number (100715061651037).

Almost surely, 2^{201430123302073} is an apocalyptic number.

It is an amenable number.

201430123302073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201430123302073 is an equidigital number, since it uses as much as digits as its factorization.

201430123302073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 201430123302073 its reverse (370203321034102), we get a palindrome (571633444336175).

The spelling of 201430123302073 in words is "two hundred one trillion, four hundred thirty billion, one hundred twenty-three million, three hundred two thousand, seventy-three".