123589349 has 8 divisors (see below), whose sum is σ = 134469720. Its totient is φ = 112905216.

The previous prime is 123589331. The next prime is 123589351. The reversal of 123589349 is 943985321.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 123321025 = 518^2 + 11105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123589349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123580349) 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 in 7 ways as a sum of consecutive naturals, for example, 47744 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (16808715).

Almost surely, 2^123589349 is an apocalyptic number.

It is an amenable number.

123589349 is a deficient number, since it is larger than the sum of its proper divisors (10880371).

123589349 is an equidigital number, since it uses as much as digits as its factorization.

123589349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98119.

The product of its digits is 233280, while the sum is 44.

The square root of 123589349 is about 11117.0746601793. The cubic root of 123589349 is about 498.1120119754.

The spelling of 123589349 in words is "one hundred twenty-three million, five hundred eighty-nine thousand, three hundred forty-nine".