201323020124 has 48 divisors (see below), whose sum is σ = 376715888640. Its totient is φ = 93907608960.

The previous prime is 201323020123. The next prime is 201323020127. The reversal of 201323020124 is 421020323102.

It is a junction number, because it is equal to n+sod(n) for n = 201323020096 and 201323020105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16828457 + ... + 16840415.

It is an arithmetic number, because the mean of its divisors is an integer number (7848247680).

Almost surely, 2^201323020124 is an apocalyptic number.

It is an amenable number.

201323020124 is a deficient number, since it is larger than the sum of its proper divisors (175392868516).

201323020124 is a wasteful number, since it uses less digits than its factorization.

201323020124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490 (or 16488 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201323020124 its reverse (421020323102), we get a palindrome (622343343226).

The spelling of 201323020124 in words is "two hundred one billion, three hundred twenty-three million, twenty thousand, one hundred twenty-four".