123406833 has 16 divisors (see below), whose sum is σ = 179686656. Its totient is φ = 74714640.

The previous prime is 123406817. The next prime is 123406883. The reversal of 123406833 is 338604321.

It is not a de Polignac number, because 123406833 - 2⁴ = 123406817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123406833.

It is not an unprimeable number, because it can be changed into a prime (123406883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60610 + ... + 62612.

It is an arithmetic number, because the mean of its divisors is an integer number (11230416).

Almost surely, 2^123406833 is an apocalyptic number.

It is an amenable number.

123406833 is a deficient number, since it is larger than the sum of its proper divisors (56279823).

123406833 is a wasteful number, since it uses less digits than its factorization.

123406833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 123406833 is about 11108.8628130876. The cubic root of 123406833 is about 497.8666882402.

The spelling of 123406833 in words is "one hundred twenty-three million, four hundred six thousand, eight hundred thirty-three".