648159323 has 8 divisors (see below), whose sum is σ = 784327392. Its totient is φ = 522884736.

The previous prime is 648159301. The next prime is 648159361. The reversal of 648159323 is 323951846.

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 648159323 - 2²⁴ = 631382107 is a prime.

It is a super-2 number, since 2×648159323² = 840221015983636658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648159373) 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, 2723240 + ... + 2723477.

It is an arithmetic number, because the mean of its divisors is an integer number (98040924).

Almost surely, 2^648159323 is an apocalyptic number.

648159323 is a deficient number, since it is larger than the sum of its proper divisors (136168069).

648159323 is a wasteful number, since it uses less digits than its factorization.

648159323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446741.

The product of its digits is 155520, while the sum is 41.

The square root of 648159323 is about 25458.9733296533. The cubic root of 648159323 is about 865.4206572149.

The spelling of 648159323 in words is "six hundred forty-eight million, one hundred fifty-nine thousand, three hundred twenty-three".