723867201 has 18 divisors (see below), whose sum is σ = 1093029938. Its totient is φ = 461593440.

The previous prime is 723867167. The next prime is 723867217. The reversal of 723867201 is 102768327.

723867201 is a `hidden beast` number, since 72 + 386 + 7 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 655308801 + 68558400 = 25599^2 + 8280^2 .

It is not a de Polignac number, because 723867201 - 2¹⁹ = 723342913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723867251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71260 + ... + 80781.

Almost surely, 2^723867201 is an apocalyptic number.

It is an amenable number.

723867201 is a deficient number, since it is larger than the sum of its proper divisors (369162737).

723867201 is a wasteful number, since it uses less digits than its factorization.

723867201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152093 (or 152067 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 723867201 is about 26904.7802629942. The cubic root of 723867201 is about 897.8827601600.

The spelling of 723867201 in words is "seven hundred twenty-three million, eight hundred sixty-seven thousand, two hundred one".