723523472 has 20 divisors (see below), whose sum is σ = 1602087936. Its totient is φ = 310081440.

The previous prime is 723523469. The next prime is 723523517. The reversal of 723523472 is 274325327.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229904 + ... + 3230127.

Almost surely, 2^723523472 is an apocalyptic number.

It is an amenable number.

723523472 is an abundant number, since it is smaller than the sum of its proper divisors (878564464).

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

723523472 is a wasteful number, since it uses less digits than its factorization.

723523472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460046 (or 6460040 counting only the distinct ones).

The product of its digits is 70560, while the sum is 35.

The square root of 723523472 is about 26898.3916247794. The cubic root of 723523472 is about 897.7406175098.

Adding to 723523472 its reverse (274325327), we get a palindrome (997848799).

The spelling of 723523472 in words is "seven hundred twenty-three million, five hundred twenty-three thousand, four hundred seventy-two".