11313203223 has 32 divisors (see below), whose sum is σ = 18017252352. Its totient is φ = 6173798400.

The previous prime is 11313203173. The next prime is 11313203233. The reversal of 11313203223 is 32230231311.

It is not a de Polignac number, because 11313203223 - 2¹³ = 11313195031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11313203223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313203233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291333 + ... + 327873.

It is an arithmetic number, because the mean of its divisors is an integer number (563039136).

Almost surely, 2^11313203223 is an apocalyptic number.

11313203223 is a deficient number, since it is larger than the sum of its proper divisors (6704049129).

11313203223 is a wasteful number, since it uses less digits than its factorization.

11313203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37215.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11313203223 its reverse (32230231311), we get a palindrome (43543434534).

The spelling of 11313203223 in words is "eleven billion, three hundred thirteen million, two hundred three thousand, two hundred twenty-three".