223102979243 has 2 divisors, whose sum is σ = 223102979244. Its totient is φ = 223102979242.

The previous prime is 223102979233. The next prime is 223102979257. The reversal of 223102979243 is 342979201322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223102979243 - 2²⁸ = 222834543787 is a prime.

It is a super-3 number, since 3×223102979243³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223102979194 and 223102979203.

It is not a weakly prime, because it can be changed into another prime (223102979233) 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 as a sum of consecutive naturals, namely, 111551489621 + 111551489622.

It is an arithmetic number, because the mean of its divisors is an integer number (111551489622).

Almost surely, 2^223102979243 is an apocalyptic number.

223102979243 is a deficient number, since it is larger than the sum of its proper divisors (1).

223102979243 is an equidigital number, since it uses as much as digits as its factorization.

223102979243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 223102979243 in words is "two hundred twenty-three billion, one hundred two million, nine hundred seventy-nine thousand, two hundred forty-three".