20001003421323 has 8 divisors (see below), whose sum is σ = 28236710712528. Its totient is φ = 12549649205504.

The previous prime is 20001003421309. The next prime is 20001003421339. The reversal of 20001003421323 is 32312430010002.

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 20001003421323 - 2²⁶ = 20000936312459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20001003421323.

It is not an unprimeable number, because it can be changed into a prime (20001003421303) 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, 196088268786 + ... + 196088268887.

It is an arithmetic number, because the mean of its divisors is an integer number (3529588839066).

Almost surely, 2^{20001003421323} is an apocalyptic number.

20001003421323 is a deficient number, since it is larger than the sum of its proper divisors (8235707291205).

20001003421323 is a wasteful number, since it uses less digits than its factorization.

20001003421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392176537693.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20001003421323 its reverse (32312430010002), we get a palindrome (52313433431325).

The spelling of 20001003421323 in words is "twenty trillion, one billion, three million, four hundred twenty-one thousand, three hundred twenty-three".