201023333031123 has 6 divisors (see below), whose sum is σ = 290367036600524. Its totient is φ = 134015555354076.

The previous prime is 201023333031107. The next prime is 201023333031193. The reversal of 201023333031123 is 321130333320102.

201023333031123 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 333 + 303 + 1 + 1 + 23 = 666.

It is not a de Polignac number, because 201023333031123 - 2⁴ = 201023333031107 is a prime.

It is a super-2 number, since 2×201023333031123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201023333031193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11167962946165 + ... + 11167962946182.

Almost surely, 2^{201023333031123} is an apocalyptic number.

201023333031123 is a deficient number, since it is larger than the sum of its proper divisors (89343703569401).

201023333031123 is a wasteful number, since it uses less digits than its factorization.

201023333031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22335925892353 (or 22335925892350 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 201023333031123 its reverse (321130333320102), we get a palindrome (522153666351225).

The spelling of 201023333031123 in words is "two hundred one trillion, twenty-three billion, three hundred thirty-three million, thirty-one thousand, one hundred twenty-three".