123494321 has 2 divisors, whose sum is σ = 123494322. Its totient is φ = 123494320.

The previous prime is 123494311. The next prime is 123494339.

123494321 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123454321 + 40000 = 11111^2 + 200^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 123494321 - 2²⁶ = 56385457 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (123494311) 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, 61747160 + 61747161.

It is an arithmetic number, because the mean of its divisors is an integer number (61747161).

Almost surely, 2^123494321 is an apocalyptic number.

It is an amenable number.

123494321 is a deficient number, since it is larger than the sum of its proper divisors (1).

123494321 is an equidigital number, since it uses as much as digits as its factorization.

123494321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 123494321 is about 11112.7998722194. The cubic root of 123494321 is about 497.9843129309.

The spelling of 123494321 in words is "one hundred twenty-three million, four hundred ninety-four thousand, three hundred twenty-one".