201323034 has 24 divisors (see below), whose sum is σ = 475854912. Its totient is φ = 61006920.

The previous prime is 201323029. The next prime is 201323039. The reversal of 201323034 is 430323102.

It is an interprime number because it is at equal distance from previous prime (201323029) and next prime (201323039).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201322998 and 201323016.

It is not an unprimeable number, because it can be changed into a prime (201323039) 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 11 ways as a sum of consecutive naturals, for example, 508194 + ... + 508589.

It is an arithmetic number, because the mean of its divisors is an integer number (19827288).

Almost surely, 2^201323034 is an apocalyptic number.

201323034 is an abundant number, since it is smaller than the sum of its proper divisors (274531878).

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

201323034 is a wasteful number, since it uses less digits than its factorization.

201323034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016802 (or 1016799 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 201323034 is about 14188.8348358842. The cubic root of 201323034 is about 586.0902395326.

Adding to 201323034 its reverse (430323102), we get a palindrome (631646136).

The spelling of 201323034 in words is "two hundred one million, three hundred twenty-three thousand, thirty-four".