321000212023 has 4 divisors (see below), whose sum is σ = 321001445880. Its totient is φ = 320998978168.

The previous prime is 321000211951. The next prime is 321000212053. The reversal of 321000212023 is 320212000123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 320212000123 = 38011 ⋅8424193.

It is a cyclic number.

It is not a de Polignac number, because 321000212023 - 2²⁹ = 320463341111 is a prime.

It is a super-2 number, since 2×321000212023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321000211988 and 321000212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321000212053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57733 + ... + 803326.

It is an arithmetic number, because the mean of its divisors is an integer number (80250361470).

Almost surely, 2^321000212023 is an apocalyptic number.

321000212023 is a deficient number, since it is larger than the sum of its proper divisors (1233857).

321000212023 is an equidigital number, since it uses as much as digits as its factorization.

321000212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233856.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 321000212023 its reverse (320212000123), we get a palindrome (641212212146).

It can be divided in two parts, 3210002 and 12023, that added together give a square (3222025 = 1795²).

The spelling of 321000212023 in words is "three hundred twenty-one billion, two hundred twelve thousand, twenty-three".