723146364320 has 48 divisors (see below), whose sum is σ = 1708672349160. Its totient is φ = 289218069504.

The previous prime is 723146364307. The next prime is 723146364337. The reversal of 723146364320 is 23463641327.

It can be written as a sum of positive squares in 4 ways, for example, as 707058993424 + 16087370896 = 840868^2 + 126836^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844034 + ... + 1469246.

Almost surely, 2^723146364320 is an apocalyptic number.

It is an amenable number.

723146364320 is an abundant number, since it is smaller than the sum of its proper divisors (985525984840).

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

723146364320 is a wasteful number, since it uses less digits than its factorization.

723146364320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632457 (or 632449 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 723146364320 in words is "seven hundred twenty-three billion, one hundred forty-six million, three hundred sixty-four thousand, three hundred twenty".