723661036 has 24 divisors (see below), whose sum is σ = 1448948480. Its totient is φ = 309791952.

The previous prime is 723661033. The next prime is 723661051. The reversal of 723661036 is 630166327.

It is a junction number, because it is equal to n+sod(n) for n = 723660992 and 723661010.

It is not an unprimeable number, because it can be changed into a prime (723661033) 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 7 ways as a sum of consecutive naturals, for example, 11671 + ... + 39793.

Almost surely, 2^723661036 is an apocalyptic number.

It is an amenable number.

723661036 is an abundant number, since it is smaller than the sum of its proper divisors (725287444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723661036 is a wasteful number, since it uses less digits than its factorization.

723661036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29053 (or 29051 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 723661036 is about 26900.9486078094. The cubic root of 723661036 is about 897.7975099116.

The spelling of 723661036 in words is "seven hundred twenty-three million, six hundred sixty-one thousand, thirty-six".