201123329 has 16 divisors (see below), whose sum is σ = 222177600. Its totient is φ = 180548160.

The previous prime is 201123313. The next prime is 201123337. The reversal of 201123329 is 923321102.

It is a cyclic number.

It is not a de Polignac number, because 201123329 - 2⁴ = 201123313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201123229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453782 + ... + 454224.

It is an arithmetic number, because the mean of its divisors is an integer number (13886100).

Almost surely, 2^201123329 is an apocalyptic number.

It is an amenable number.

201123329 is a deficient number, since it is larger than the sum of its proper divisors (21054271).

201123329 is a wasteful number, since it uses less digits than its factorization.

201123329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 201123329 is about 14181.7956902502. The cubic root of 201123329 is about 585.8963821420.

The spelling of 201123329 in words is "two hundred one million, one hundred twenty-three thousand, three hundred twenty-nine".