723040701124 has 27 divisors (see below), whose sum is σ = 1471928518893. Its totient is φ = 309869484288.

The previous prime is 723040701121. The next prime is 723040701151. The reversal of 723040701124 is 421107040327.

The square root of 723040701124 is 850318.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 502922088900 + 220118612224 = 709170^2 + 469168^2 .

It is not an unprimeable number, because it can be changed into a prime (723040701121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11874084 + ... + 11934820.

Almost surely, 2^723040701124 is an apocalyptic number.

723040701124 is the 850318-th square number.

It is an amenable number.

723040701124 is an abundant number, since it is smaller than the sum of its proper divisors (748887817769).

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

723040701124 is an frugal number, since it uses more digits than its factorization.

723040701124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121492 (or 60746 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 723040701124 in words is "seven hundred twenty-three billion, forty million, seven hundred one thousand, one hundred twenty-four".