223020031323 has 16 divisors (see below), whose sum is σ = 312521045760. Its totient is φ = 141192531744.

The previous prime is 223020031321. The next prime is 223020031327. The reversal of 223020031323 is 323130020322.

It is not a de Polignac number, because 223020031323 - 2¹ = 223020031321 is a prime.

It is a super-2 number, since 2×223020031323² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223020031323.

It is not an unprimeable number, because it can be changed into a prime (223020031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11616936 + ... + 11636117.

It is an arithmetic number, because the mean of its divisors is an integer number (19532565360).

Almost surely, 2^223020031323 is an apocalyptic number.

223020031323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223020031323 is a deficient number, since it is larger than the sum of its proper divisors (89501014437).

223020031323 is a wasteful number, since it uses less digits than its factorization.

223020031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23253218.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 223020031323 its reverse (323130020322), we get a palindrome (546150051645).

The spelling of 223020031323 in words is "two hundred twenty-three billion, twenty million, thirty-one thousand, three hundred twenty-three".