723427782648 has 48 divisors (see below), whose sum is σ = 1809685858680. Its totient is φ = 240993816192.

The previous prime is 723427782601. The next prime is 723427782673. The reversal of 723427782648 is 846287724327.

It is a junction number, because it is equal to n+sod(n) for n = 723427782591 and 723427782600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187755090 + ... + 187758942.

Almost surely, 2^723427782648 is an apocalyptic number.

It is an amenable number.

723427782648 is an abundant number, since it is smaller than the sum of its proper divisors (1086258076032).

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

723427782648 is an equidigital number, since it uses as much as digits as its factorization.

723427782648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456 (or 6655 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 60.

The spelling of 723427782648 in words is "seven hundred twenty-three billion, four hundred twenty-seven million, seven hundred eighty-two thousand, six hundred forty-eight".