723011790601 has 3 divisors (see below), whose sum is σ = 723012640903. Its totient is φ = 723010940300.

The previous prime is 723011790587. The next prime is 723011790689. The reversal of 723011790601 is 106097110327.

The square root of 723011790601 is 850301.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 106097110327 = 13 ⋅8161316179.

It can be written as a sum of positive squares in only one way, i.e., 649473198201 + 73538592400 = 805899^2 + 271180^2 .

It is not a de Polignac number, because 723011790601 - 2⁵ = 723011790569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723011790691) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 425151 + ... + 1275451.

Almost surely, 2^723011790601 is an apocalyptic number.

723011790601 is the 850301-st square number.

723011790601 is the 425151-st centered octagonal number.

It is an amenable number.

723011790601 is a deficient number, since it is larger than the sum of its proper divisors (850302).

723011790601 is an frugal number, since it uses more digits than its factorization.

723011790601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700602 (or 850301 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The spelling of 723011790601 in words is "seven hundred twenty-three billion, eleven million, seven hundred ninety thousand, six hundred one".