123046812 has 144 divisors (see below), whose sum is σ = 386713600. Its totient is φ = 32192640.

The previous prime is 123046811. The next prime is 123046823. The reversal of 123046812 is 218640321.

123046812 is nontrivially palindromic in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123046811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148014 + ... + 148842.

Almost surely, 2^123046812 is an apocalyptic number.

123046812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123046812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193356800).

123046812 is an abundant number, since it is smaller than the sum of its proper divisors (263666788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123046812 is a wasteful number, since it uses less digits than its factorization.

123046812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 123046812 is about 11092.6467535931. The cubic root of 123046812 is about 497.3820661005.

The spelling of 123046812 in words is "one hundred twenty-three million, forty-six thousand, eight hundred twelve".