20345002656323 has 8 divisors (see below), whose sum is σ = 20794857755760. Its totient is φ = 19898648375200.

The previous prime is 20345002656317. The next prime is 20345002656427. The reversal of 20345002656323 is 32365620054302.

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 20345002656323 - 2³⁰ = 20343928914499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20345002652323) 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, 875192828 + ... + 875216073.

It is an arithmetic number, because the mean of its divisors is an integer number (2599357219470).

Almost surely, 2^{20345002656323} is an apocalyptic number.

20345002656323 is a deficient number, since it is larger than the sum of its proper divisors (449855099437).

20345002656323 is a wasteful number, since it uses less digits than its factorization.

20345002656323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750409157.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 20345002656323 in words is "twenty trillion, three hundred forty-five billion, two million, six hundred fifty-six thousand, three hundred twenty-three".