202321013220203 has 4 divisors (see below), whose sum is σ = 203451298210440. Its totient is φ = 201190728229968.

The previous prime is 202321013220197. The next prime is 202321013220211. The reversal of 202321013220203 is 302022310123202.

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 202321013220203 - 2¹² = 202321013216107 is a prime.

It is a super-2 number, since 2×202321013220203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202321013220253) 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, 565142494850 + ... + 565142495207.

It is an arithmetic number, because the mean of its divisors is an integer number (50862824552610).

Almost surely, 2^{202321013220203} is an apocalyptic number.

202321013220203 is a deficient number, since it is larger than the sum of its proper divisors (1130284990237).

202321013220203 is a wasteful number, since it uses less digits than its factorization.

202321013220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130284990236.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202321013220203 its reverse (302022310123202), we get a palindrome (504343323343405).

The spelling of 202321013220203 in words is "two hundred two trillion, three hundred twenty-one billion, thirteen million, two hundred twenty thousand, two hundred three".