123065894 has 16 divisors (see below), whose sum is σ = 214951968. Its totient is φ = 51747072.

The previous prime is 123065861. The next prime is 123065897. The reversal of 123065894 is 498560321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123065897) 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, 82187 + ... + 83670.

It is an arithmetic number, because the mean of its divisors is an integer number (13434498).

Almost surely, 2^123065894 is an apocalyptic number.

123065894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123065894 is a deficient number, since it is larger than the sum of its proper divisors (91886074).

123065894 is a wasteful number, since it uses less digits than its factorization.

123065894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165919.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 123065894 is about 11093.5068395886. The cubic root of 123065894 is about 497.4077759742.

The spelling of 123065894 in words is "one hundred twenty-three million, sixty-five thousand, eight hundred ninety-four".