2203203311123 has 2 divisors, whose sum is σ = 2203203311124. Its totient is φ = 2203203311122.

The previous prime is 2203203311117. The next prime is 2203203311161. The reversal of 2203203311123 is 3211133023022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2203203311123 - 2²⁴ = 2203186533907 is a prime.

It is a super-2 number, since 2×2203203311123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2203203319123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101601655561 + 1101601655562.

It is an arithmetic number, because the mean of its divisors is an integer number (1101601655562).

Almost surely, 2^{2203203311123} is an apocalyptic number.

2203203311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203203311123 is an equidigital number, since it uses as much as digits as its factorization.

2203203311123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2203203311123 its reverse (3211133023022), we get a palindrome (5414336334145).

The spelling of 2203203311123 in words is "two trillion, two hundred three billion, two hundred three million, three hundred eleven thousand, one hundred twenty-three".