723091938425 has 12 divisors (see below), whose sum is σ = 896989747836. Its totient is φ = 578244038400.

The previous prime is 723091938421. The next prime is 723091938451. The reversal of 723091938425 is 524839190327.

It can be written as a sum of positive squares in 6 ways, for example, as 225066745744 + 498025192681 = 474412^2 + 705709^2 .

It is not a de Polignac number, because 723091938425 - 2² = 723091938421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723091938421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5673524 + ... + 5799573.

It is an arithmetic number, because the mean of its divisors is an integer number (74749145653).

Almost surely, 2^723091938425 is an apocalyptic number.

It is an amenable number.

723091938425 is a deficient number, since it is larger than the sum of its proper divisors (173897809411).

723091938425 is a wasteful number, since it uses less digits than its factorization.

723091938425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475628 (or 11475623 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 723091938425 in words is "seven hundred twenty-three billion, ninety-one million, nine hundred thirty-eight thousand, four hundred twenty-five".