201323123132 has 6 divisors (see below), whose sum is σ = 352315465488. Its totient is φ = 100661561564.

The previous prime is 201323123119. The next prime is 201323123143. The reversal of 201323123132 is 231321323102.

It is a junction number, because it is equal to n+sod(n) for n = 201323123098 and 201323123107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25165390388 + ... + 25165390395.

It is an arithmetic number, because the mean of its divisors is an integer number (58719244248).

Almost surely, 2^201323123132 is an apocalyptic number.

It is an amenable number.

201323123132 is a deficient number, since it is larger than the sum of its proper divisors (150992342356).

201323123132 is a wasteful number, since it uses less digits than its factorization.

201323123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50330780787 (or 50330780785 counting only the distinct ones).

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

Adding to 201323123132 its reverse (231321323102), we get a palindrome (432644446234).

The spelling of 201323123132 in words is "two hundred one billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-two".