201234432 has 96 divisors (see below), whose sum is σ = 613267200. Its totient is φ = 57483264.

The previous prime is 201234431. The next prime is 201234487. The reversal of 201234432 is 234432102.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 201234399 and 201234408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201234431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40669 + ... + 45347.

It is an arithmetic number, because the mean of its divisors is an integer number (6388200).

Almost surely, 2^201234432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306633600).

201234432 is an abundant number, since it is smaller than the sum of its proper divisors (412032768).

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

201234432 is an equidigital number, since it uses as much as digits as its factorization.

201234432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711 (or 4691 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 201234432 is about 14185.7122485972. The cubic root of 201234432 is about 586.0042477376.

Adding to 201234432 its reverse (234432102), we get a palindrome (435666534).

The spelling of 201234432 in words is "two hundred one million, two hundred thirty-four thousand, four hundred thirty-two".