8128532657323 has 8 divisors (see below), whose sum is σ = 8772959339648. Its totient is φ = 7486842394944.

The previous prime is 8128532657291. The next prime is 8128532657351. The reversal of 8128532657323 is 3237562358218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8128532657323 - 2⁵ = 8128532657291 is a prime.

It is a super-2 number, since 2×8128532657323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8128532657383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684098811 + ... + 684110692.

It is an arithmetic number, because the mean of its divisors is an integer number (1096619917456).

Almost surely, 2^{8128532657323} is an apocalyptic number.

8128532657323 is a deficient number, since it is larger than the sum of its proper divisors (644426682325).

8128532657323 is a wasteful number, since it uses less digits than its factorization.

8128532657323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368209973.

The product of its digits is 14515200, while the sum is 55.

The spelling of 8128532657323 in words is "eight trillion, one hundred twenty-eight billion, five hundred thirty-two million, six hundred fifty-seven thousand, three hundred twenty-three".