723036536 has 32 divisors (see below), whose sum is σ = 1395360000. Its totient is φ = 350983296.

The previous prime is 723036521. The next prime is 723036539. The reversal of 723036536 is 635630327.

It is a junction number, because it is equal to n+sod(n) for n = 723036496 and 723036505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723036539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148265 + ... + 153063.

It is an arithmetic number, because the mean of its divisors is an integer number (43605000).

Almost surely, 2^723036536 is an apocalyptic number.

It is an amenable number.

723036536 is a deficient number, since it is larger than the sum of its proper divisors (672323464).

723036536 is a wasteful number, since it uses less digits than its factorization.

723036536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 35.

The square root of 723036536 is about 26889.3387051448. The cubic root of 723036536 is about 897.5391772223.

The spelling of 723036536 in words is "seven hundred twenty-three million, thirty-six thousand, five hundred thirty-six".