9723325580381 has 32 divisors (see below), whose sum is σ = 11441867673600. Its totient is φ = 8091652786560.

The previous prime is 9723325580377. The next prime is 9723325580399. The reversal of 9723325580381 is 1830855233279.

It is not a de Polignac number, because 9723325580381 - 2² = 9723325580377 is a prime.

It is a super-2 number, since 2×9723325580381² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9723325580281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8632625 + ... + 9693753.

It is an arithmetic number, because the mean of its divisors is an integer number (357558364800).

Almost surely, 2^{9723325580381} is an apocalyptic number.

It is an amenable number.

9723325580381 is a deficient number, since it is larger than the sum of its proper divisors (1718542093219).

9723325580381 is a wasteful number, since it uses less digits than its factorization.

9723325580381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061489.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 9723325580381 in words is "nine trillion, seven hundred twenty-three billion, three hundred twenty-five million, five hundred eighty thousand, three hundred eighty-one".