720223003 has 4 divisors (see below), whose sum is σ = 762589080. Its totient is φ = 677856928.

The previous prime is 720222983. The next prime is 720223061. The reversal of 720223003 is 300322027.

It is a happy number.

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 720223003 - 2²¹ = 718125851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720223703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21183013 + ... + 21183046.

It is an arithmetic number, because the mean of its divisors is an integer number (190647270).

Almost surely, 2^720223003 is an apocalyptic number.

720223003 is a deficient number, since it is larger than the sum of its proper divisors (42366077).

720223003 is a wasteful number, since it uses less digits than its factorization.

720223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42366076.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 720223003 is about 26836.9708238467. The cubic root of 720223003 is about 896.3734737136.

The spelling of 720223003 in words is "seven hundred twenty million, two hundred twenty-three thousand, three".