201234306 has 128 divisors (see below), whose sum is σ = 522547200. Its totient is φ = 50238720.

The previous prime is 201234283. The next prime is 201234329. The reversal of 201234306 is 603432102.

It is a happy number.

201234306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201234283) and next prime (201234329).

It is a super-2 number, since 2×201234306² = 80990491822603272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1124125 + ... + 1124303.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^201234306 is an apocalyptic number.

201234306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201234306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261273600).

201234306 is an abundant number, since it is smaller than the sum of its proper divisors (321312894).

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

201234306 is a wasteful number, since it uses less digits than its factorization.

201234306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 201234306 is about 14185.7078075082. The cubic root of 201234306 is about 586.0041254316.

Adding to 201234306 its reverse (603432102), we get a palindrome (804666408).

The spelling of 201234306 in words is "two hundred one million, two hundred thirty-four thousand, three hundred six".