723858648 has 16 divisors (see below), whose sum is σ = 1809646680. Its totient is φ = 241286208.

The previous prime is 723858643. The next prime is 723858679. The reversal of 723858648 is 846858327.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 723858648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723858643) 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, 15080365 + ... + 15080412.

Almost surely, 2^723858648 is an apocalyptic number.

It is an amenable number.

723858648 is an abundant number, since it is smaller than the sum of its proper divisors (1085788032).

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

723858648 is a wasteful number, since it uses less digits than its factorization.

723858648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30160786 (or 30160782 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 723858648 is about 26904.6213130756. The cubic root of 723858648 is about 897.8792237740.

The spelling of 723858648 in words is "seven hundred twenty-three million, eight hundred fifty-eight thousand, six hundred forty-eight".