201323122 has 64 divisors (see below), whose sum is σ = 408167424. Its totient is φ = 71922240.

The previous prime is 201323099. The next prime is 201323147. The reversal of 201323122 is 221323102.

It is a junction number, because it is equal to n+sod(n) for n = 201323096 and 201323105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454233 + ... + 454675.

It is an arithmetic number, because the mean of its divisors is an integer number (6377616).

Almost surely, 2^201323122 is an apocalyptic number.

201323122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201323122 is an abundant number, since it is smaller than the sum of its proper divisors (206844302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201323122 is a wasteful number, since it uses less digits than its factorization.

201323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201323122 is about 14188.8379369136. The cubic root of 201323122 is about 586.0903249275.

Adding to 201323122 its reverse (221323102), we get a palindrome (422646224).

It can be divided in two parts, 201 and 323122, that added together give a palindrome (323323).

The spelling of 201323122 in words is "two hundred one million, three hundred twenty-three thousand, one hundred twenty-two".