203132111123 has 2 divisors, whose sum is σ = 203132111124. Its totient is φ = 203132111122.

The previous prime is 203132111101. The next prime is 203132111227. The reversal of 203132111123 is 321111231302.

It is a happy number.

203132111123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203132111123 - 2¹⁸ = 203131848979 is a prime.

It is a super-2 number, since 2×203132111123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203132111095 and 203132111104.

It is not a weakly prime, because it can be changed into another prime (203132111423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101566055561 + 101566055562.

It is an arithmetic number, because the mean of its divisors is an integer number (101566055562).

Almost surely, 2^203132111123 is an apocalyptic number.

203132111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

203132111123 is an equidigital number, since it uses as much as digits as its factorization.

203132111123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 203132111123 its reverse (321111231302), we get a palindrome (524243342425).

The spelling of 203132111123 in words is "two hundred three billion, one hundred thirty-two million, one hundred eleven thousand, one hundred twenty-three".