200723481 has 32 divisors (see below), whose sum is σ = 350822400. Its totient is φ = 110995920.

The previous prime is 200723477. The next prime is 200723503. The reversal of 200723481 is 184327002.

It is not a de Polignac number, because 200723481 - 2² = 200723477 is a prime.

It is a super-2 number, since 2×200723481² = 80579831649514722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200723431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11271 + ... + 22988.

It is an arithmetic number, because the mean of its divisors is an integer number (10963200).

Almost surely, 2^200723481 is an apocalyptic number.

200723481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200723481 is a deficient number, since it is larger than the sum of its proper divisors (150098919).

200723481 is a wasteful number, since it uses less digits than its factorization.

200723481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34306 (or 34300 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 200723481 is about 14167.6914492094. The cubic root of 200723481 is about 585.5078561601.

The spelling of 200723481 in words is "two hundred million, seven hundred twenty-three thousand, four hundred eighty-one".