223323323131 has 4 divisors (see below), whose sum is σ = 224693405032. Its totient is φ = 221953241232.

The previous prime is 223323323117. The next prime is 223323323137. The reversal of 223323323131 is 131323323322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223323323131 is a prime.

It is a super-2 number, since 2×223323323131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223323323131.

It is not an unprimeable number, because it can be changed into a prime (223323323137) 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, 685040706 + ... + 685041031.

It is an arithmetic number, because the mean of its divisors is an integer number (56173351258).

Almost surely, 2^223323323131 is an apocalyptic number.

223323323131 is a deficient number, since it is larger than the sum of its proper divisors (1370081901).

223323323131 is a wasteful number, since it uses less digits than its factorization.

223323323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370081900.

The product of its digits is 11664, while the sum is 28.

Adding to 223323323131 its reverse (131323323322), we get a palindrome (354646646453).

The spelling of 223323323131 in words is "two hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-one".