723120443316 has 18 divisors (see below), whose sum is σ = 1827887787362. Its totient is φ = 241040147760.

The previous prime is 723120443299. The next prime is 723120443321. The reversal of 723120443316 is 613344021327.

723120443316 is a `hidden beast` number, since 7 + 2 + 3 + 1 + 204 + 433 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 704249926416 + 18870516900 = 839196^2 + 137370^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20086678981 = 723120443316 / (7 + 2 + 3 + 1 + 2 + 0 + 4 + 4 + 3 + 3 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10043339455 + ... + 10043339526.

Almost surely, 2^723120443316 is an apocalyptic number.

It is an amenable number.

723120443316 is an abundant number, since it is smaller than the sum of its proper divisors (1104767344046).

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

723120443316 is a wasteful number, since it uses less digits than its factorization.

723120443316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20086678991 (or 20086678986 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 723120443316 in words is "seven hundred twenty-three billion, one hundred twenty million, four hundred forty-three thousand, three hundred sixteen".