20321323002023 has 8 divisors (see below), whose sum is σ = 20323895045376. Its totient is φ = 20318751142200.

The previous prime is 20321323001951. The next prime is 20321323002047. The reversal of 20321323002023 is 32020032312302.

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 20321323002023 - 2¹⁶ = 20321322936487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20321323002023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321323007023) 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, 478228808 + ... + 478271298.

It is an arithmetic number, because the mean of its divisors is an integer number (2540486880672).

Almost surely, 2^{20321323002023} is an apocalyptic number.

20321323002023 is a deficient number, since it is larger than the sum of its proper divisors (2572043353).

20321323002023 is a wasteful number, since it uses less digits than its factorization.

20321323002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91765.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20321323002023 its reverse (32020032312302), we get a palindrome (52341355314325).

The spelling of 20321323002023 in words is "twenty trillion, three hundred twenty-one billion, three hundred twenty-three million, two thousand, twenty-three".