201323022 has 8 divisors (see below), whose sum is σ = 402646056. Its totient is φ = 67107672.

The previous prime is 201322981. The next prime is 201323029. The reversal of 201323022 is 220323102.

It is a sphenic number, since it is the product of 3 distinct primes.

201323022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 201322992 and 201323010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16776913 + ... + 16776924.

It is an arithmetic number, because the mean of its divisors is an integer number (50330757).

Almost surely, 2^201323022 is an apocalyptic number.

201323022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201323022 is a wasteful number, since it uses less digits than its factorization.

201323022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33553842.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 201323022 is about 14188.8344130165. The cubic root of 201323022 is about 586.0902278878.

Adding to 201323022 its reverse (220323102), we get a palindrome (421646124).

The spelling of 201323022 in words is "two hundred one million, three hundred twenty-three thousand, twenty-two".