200201231123 has 2 divisors, whose sum is σ = 200201231124. Its totient is φ = 200201231122.

The previous prime is 200201231053. The next prime is 200201231129. The reversal of 200201231123 is 321132102002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200201231123 - 2³⁰ = 199127489299 is a prime.

It is a super-2 number, since 2×200201231123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200201231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100615561 + 100100615562.

It is an arithmetic number, because the mean of its divisors is an integer number (100100615562).

Almost surely, 2^200201231123 is an apocalyptic number.

200201231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201231123 is an equidigital number, since it uses as much as digits as its factorization.

200201231123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200201231123 its reverse (321132102002), we get a palindrome (521333333125).

The spelling of 200201231123 in words is "two hundred billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty-three".