723770223 has 16 divisors (see below), whose sum is σ = 1114684416. Its totient is φ = 412845440.

The previous prime is 723770213. The next prime is 723770231. The reversal of 723770223 is 322077327.

It is a cyclic number.

It is not a de Polignac number, because 723770223 - 2⁵ = 723770191 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723770213) 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 15 ways as a sum of consecutive naturals, for example, 644511 + ... + 645632.

It is an arithmetic number, because the mean of its divisors is an integer number (69667776).

Almost surely, 2^723770223 is an apocalyptic number.

723770223 is a deficient number, since it is larger than the sum of its proper divisors (390914193).

723770223 is a wasteful number, since it uses less digits than its factorization.

723770223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290174.

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 723770223 is about 26902.9779578395. The cubic root of 723770223 is about 897.8426612933.

The spelling of 723770223 in words is "seven hundred twenty-three million, seven hundred seventy thousand, two hundred twenty-three".