203430010093 has 2 divisors, whose sum is σ = 203430010094. Its totient is φ = 203430010092.

The previous prime is 203430010067. The next prime is 203430010099. The reversal of 203430010093 is 390010034302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169745648004 + 33684362089 = 412002^2 + 183533^2 .

It is a cyclic number.

It is not a de Polignac number, because 203430010093 - 2¹⁷ = 203429879021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203430010099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101715005046 + 101715005047.

It is an arithmetic number, because the mean of its divisors is an integer number (101715005047).

Almost surely, 2^203430010093 is an apocalyptic number.

It is an amenable number.

203430010093 is a deficient number, since it is larger than the sum of its proper divisors (1).

203430010093 is an equidigital number, since it uses as much as digits as its factorization.

203430010093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 203430010093 its reverse (390010034302), we get a palindrome (593440044395).

The spelling of 203430010093 in words is "two hundred three billion, four hundred thirty million, ten thousand, ninety-three".