201123732 has 12 divisors (see below), whose sum is σ = 469288736. Its totient is φ = 67041240.

The previous prime is 201123731. The next prime is 201123733. The reversal of 201123732 is 237321102.

It is an interprime number because it is at equal distance from previous prime (201123731) and next prime (201123733).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 201123699 and 201123708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201123731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380144 + ... + 8380167.

Almost surely, 2^201123732 is an apocalyptic number.

It is an amenable number.

201123732 is an abundant number, since it is smaller than the sum of its proper divisors (268165004).

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

201123732 is a wasteful number, since it uses less digits than its factorization.

201123732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16760318 (or 16760316 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 201123732 is about 14181.8098985990. The cubic root of 201123732 is about 585.8967734708.

Adding to 201123732 its reverse (237321102), we get a palindrome (438444834).

The spelling of 201123732 in words is "two hundred one million, one hundred twenty-three thousand, seven hundred thirty-two".