321213002023 has 4 divisors (see below), whose sum is σ = 322462858320. Its totient is φ = 319963145728.

The previous prime is 321213002003. The next prime is 321213002029. The reversal of 321213002023 is 320200312123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321213002023 - 2¹³ = 321212993831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624927763 + ... + 624928276.

It is an arithmetic number, because the mean of its divisors is an integer number (80615714580).

Almost surely, 2^321213002023 is an apocalyptic number.

321213002023 is a deficient number, since it is larger than the sum of its proper divisors (1249856297).

321213002023 is a wasteful number, since it uses less digits than its factorization.

321213002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249856296.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 321213002023 its reverse (320200312123), we get a palindrome (641413314146).

The spelling of 321213002023 in words is "three hundred twenty-one billion, two hundred thirteen million, two thousand, twenty-three".