723681425144 has 8 divisors (see below), whose sum is σ = 1356902672160. Its totient is φ = 361840712568.

The previous prime is 723681425143. The next prime is 723681425171. The reversal of 723681425144 is 441524186327.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723681425143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45230089064 + ... + 45230089079.

It is an arithmetic number, because the mean of its divisors is an integer number (169612834020).

Almost surely, 2^723681425144 is an apocalyptic number.

It is an amenable number.

723681425144 is a deficient number, since it is larger than the sum of its proper divisors (633221247016).

723681425144 is a wasteful number, since it uses less digits than its factorization.

723681425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90460178149 (or 90460178145 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The spelling of 723681425144 in words is "seven hundred twenty-three billion, six hundred eighty-one million, four hundred twenty-five thousand, one hundred forty-four".