123223193 has 2 divisors, whose sum is σ = 123223194. Its totient is φ = 123223192.

The previous prime is 123223181. The next prime is 123223207. The reversal of 123223193 is 391322321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108722329 + 14500864 = 10427^2 + 3808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123223193 is a prime.

It is not a weakly prime, because it can be changed into another prime (123223103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611596 + 61611597.

It is an arithmetic number, because the mean of its divisors is an integer number (61611597).

Almost surely, 2^123223193 is an apocalyptic number.

It is an amenable number.

123223193 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223193 is an equidigital number, since it uses as much as digits as its factorization.

123223193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 123223193 is about 11100.5942633717. The cubic root of 123223193 is about 497.6196094657.

The spelling of 123223193 in words is "one hundred twenty-three million, two hundred twenty-three thousand, one hundred ninety-three".