723314529450 has 72 divisors (see below), whose sum is σ = 1943833464300. Its totient is φ = 192831425280.

The previous prime is 723314529439. The next prime is 723314529451. The reversal of 723314529450 is 54925413327.

It is a happy number.

723314529450 is a `hidden beast` number, since 7 + 2 + 33 + 145 + 29 + 450 = 666.

723314529450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 191615432121 + 531699097329 = 437739^2 + 729177^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 723314529396 and 723314529405.

It is not an unprimeable number, because it can be changed into a prime (723314529451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1452366 + ... + 1885734.

Almost surely, 2^723314529450 is an apocalyptic number.

723314529450 is an abundant number, since it is smaller than the sum of its proper divisors (1220518934850).

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

723314529450 is a wasteful number, since it uses less digits than its factorization.

723314529450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437096 (or 437088 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 723314529450 in words is "seven hundred twenty-three billion, three hundred fourteen million, five hundred twenty-nine thousand, four hundred fifty".