723045560 has 16 divisors (see below), whose sum is σ = 1626852600. Its totient is φ = 289218208.

The previous prime is 723045553. The next prime is 723045563. The reversal of 723045560 is 65540327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723045563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9038030 + ... + 9038109.

Almost surely, 2^723045560 is an apocalyptic number.

It is an amenable number.

723045560 is an abundant number, since it is smaller than the sum of its proper divisors (903807040).

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

723045560 is a wasteful number, since it uses less digits than its factorization.

723045560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076150 (or 18076146 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 723045560 is about 26889.5065034671. The cubic root of 723045560 is about 897.5429111783.

Adding to 723045560 its reverse (65540327), we get a palindrome (788585887).

The spelling of 723045560 in words is "seven hundred twenty-three million, forty-five thousand, five hundred sixty".