123202223 has 2 divisors, whose sum is σ = 123202224. Its totient is φ = 123202222.

The previous prime is 123202217. The next prime is 123202231. The reversal of 123202223 is 322202321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123202223 - 2²² = 119007919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123202243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601111 + 61601112.

It is an arithmetic number, because the mean of its divisors is an integer number (61601112).

Almost surely, 2^123202223 is an apocalyptic number.

123202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123202223 is an equidigital number, since it uses as much as digits as its factorization.

123202223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 123202223 is about 11099.6496791565. The cubic root of 123202223 is about 497.5913797281.

Adding to 123202223 its reverse (322202321), we get a palindrome (445404544).

The spelling of 123202223 in words is "one hundred twenty-three million, two hundred two thousand, two hundred twenty-three".