201123703 has 4 divisors (see below), whose sum is σ = 219407688. Its totient is φ = 182839720.

The previous prime is 201123701. The next prime is 201123731. The reversal of 201123703 is 307321102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201123703 - 2¹ = 201123701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201123701) 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, 9141976 + ... + 9141997.

It is an arithmetic number, because the mean of its divisors is an integer number (54851922).

Almost surely, 2^201123703 is an apocalyptic number.

201123703 is a deficient number, since it is larger than the sum of its proper divisors (18283985).

201123703 is a wasteful number, since it uses less digits than its factorization.

201123703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18283984.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 201123703 is about 14181.8088761624. The cubic root of 201123703 is about 585.8967453107.

Adding to 201123703 its reverse (307321102), we get a palindrome (508444805).

It can be divided in two parts, 201 and 123703, that added together give a square (123904 = 352²).

The spelling of 201123703 in words is "two hundred one million, one hundred twenty-three thousand, seven hundred three".