123502193 has 2 divisors, whose sum is σ = 123502194. Its totient is φ = 123502192.

The previous prime is 123502133. The next prime is 123502217. The reversal of 123502193 is 391205321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106667584 + 16834609 = 10328^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 123502193 - 2²⁴ = 106724977 is a prime.

It is not a weakly prime, because it can be changed into another prime (123502133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61751096 + 61751097.

It is an arithmetic number, because the mean of its divisors is an integer number (61751097).

Almost surely, 2^123502193 is an apocalyptic number.

It is an amenable number.

123502193 is a deficient number, since it is larger than the sum of its proper divisors (1).

123502193 is an equidigital number, since it uses as much as digits as its factorization.

123502193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 123502193 is about 11113.1540527431. The cubic root of 123502193 is about 497.9948938472.

The spelling of 123502193 in words is "one hundred twenty-three million, five hundred two thousand, one hundred ninety-three".