20001002400323 has 8 divisors (see below), whose sum is σ = 23171415697248. Its totient is φ = 16908870913344.

The previous prime is 20001002400319. The next prime is 20001002400341. The reversal of 20001002400323 is 32300420010002.

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 20001002400323 - 2² = 20001002400319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001002400343) 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, 19570451936 + ... + 19570452957.

It is an arithmetic number, because the mean of its divisors is an integer number (2896426962156).

Almost surely, 2^{20001002400323} is an apocalyptic number.

20001002400323 is a deficient number, since it is larger than the sum of its proper divisors (3170413296925).

20001002400323 is an equidigital number, since it uses as much as digits as its factorization.

20001002400323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39140904973.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20001002400323 its reverse (32300420010002), we get a palindrome (52301422410325).

The spelling of 20001002400323 in words is "twenty trillion, one billion, two million, four hundred thousand, three hundred twenty-three".