203122324421153 has 2 divisors, whose sum is σ = 203122324421154. Its totient is φ = 203122324421152.

The previous prime is 203122324421131. The next prime is 203122324421221. The reversal of 203122324421153 is 351124423221302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195372826521889 + 7749497899264 = 13977583^2 + 2783792^2 .

It is a cyclic number.

It is not a de Polignac number, because 203122324421153 - 2⁶ = 203122324421089 is a prime.

It is not a weakly prime, because it can be changed into another prime (203122324421453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561162210576 + 101561162210577.

It is an arithmetic number, because the mean of its divisors is an integer number (101561162210577).

Almost surely, 2^{203122324421153} is an apocalyptic number.

It is an amenable number.

203122324421153 is a deficient number, since it is larger than the sum of its proper divisors (1).

203122324421153 is an equidigital number, since it uses as much as digits as its factorization.

203122324421153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 203122324421153 its reverse (351124423221302), we get a palindrome (554246747642455).

The spelling of 203122324421153 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred twenty-four million, four hundred twenty-one thousand, one hundred fifty-three".