9156421323 has 24 divisors (see below), whose sum is σ = 16004503008. Its totient is φ = 4924461312.

The previous prime is 9156421321. The next prime is 9156421331. The reversal of 9156421323 is 3231246519.

9156421323 is a `hidden beast` number, since 9 + 1 + 5 + 642 + 1 + 3 + 2 + 3 = 666.

9156421323 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9156421323 - 2¹ = 9156421321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9156421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4273636 + ... + 4275777.

It is an arithmetic number, because the mean of its divisors is an integer number (666854292).

Almost surely, 2^9156421323 is an apocalyptic number.

9156421323 is a deficient number, since it is larger than the sum of its proper divisors (6848081685).

9156421323 is a wasteful number, since it uses less digits than its factorization.

9156421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549443 (or 8549440 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 9156421323 is about 95689.1912548121. The cubic root of 9156421323 is about 2092.0653958812.

The spelling of 9156421323 in words is "nine billion, one hundred fifty-six million, four hundred twenty-one thousand, three hundred twenty-three".