123397846 has 32 divisors (see below), whose sum is σ = 218873088. Its totient is φ = 51438240.

The previous prime is 123397819. The next prime is 123397867. The reversal of 123397846 is 648793321.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45295 + ... + 47941.

It is an arithmetic number, because the mean of its divisors is an integer number (6839784).

Almost surely, 2^123397846 is an apocalyptic number.

123397846 is a deficient number, since it is larger than the sum of its proper divisors (95475242).

123397846 is a wasteful number, since it uses less digits than its factorization.

123397846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836.

The product of its digits is 217728, while the sum is 43.

The square root of 123397846 is about 11108.4583088744. The cubic root of 123397846 is about 497.8546023709.

The spelling of 123397846 in words is "one hundred twenty-three million, three hundred ninety-seven thousand, eight hundred forty-six".