123698 has 8 divisors (see below), whose sum is σ = 187392. Its totient is φ = 61236.

The previous prime is 123677. The next prime is 123701. The reversal of 123698 is 896321.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 123698.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 123698.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 497.

It is an arithmetic number, because the mean of its divisors is an integer number (23424).

2¹²³⁶⁹⁸ is an apocalyptic number.

123698 is a deficient number, since it is larger than the sum of its proper divisors (63694).

123698 is a wasteful number, since it uses less digits than its factorization.

123698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its digits is 2592, while the sum is 29.

The square root of 123698 is about 351.7072646392. The cubic root of 123698 is about 49.8257937485.

The spelling of 123698 in words is "one hundred twenty-three thousand, six hundred ninety-eight".