123305349 has 8 divisors (see below), whose sum is σ = 168850720. Its totient is φ = 79981776.

The previous prime is 123305311. The next prime is 123305359. The reversal of 123305349 is 943503321.

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

It is not a de Polignac number, because 123305349 - 2⁹ = 123304837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123305309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555319 + ... + 555540.

It is an arithmetic number, because the mean of its divisors is an integer number (21106340).

Almost surely, 2^123305349 is an apocalyptic number.

It is an amenable number.

123305349 is a deficient number, since it is larger than the sum of its proper divisors (45545371).

123305349 is a wasteful number, since it uses less digits than its factorization.

123305349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110899.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 123305349 is about 11104.2941693743. The cubic root of 123305349 is about 497.7301767305.

The spelling of 123305349 in words is "one hundred twenty-three million, three hundred five thousand, three hundred forty-nine".