123053112 has 144 divisors (see below), whose sum is σ = 417657240. Its totient is φ = 32441472.

The previous prime is 123053111. The next prime is 123053113. The reversal of 123053112 is 211350321.

123053112 is a `hidden beast` number, since 123 + 0 + 531 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (123053111) and next prime (123053113).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123053111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44523 + ... + 47205.

Almost surely, 2^123053112 is an apocalyptic number.

123053112 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 123053112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208828620).

123053112 is an abundant number, since it is smaller than the sum of its proper divisors (294604128).

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

123053112 is a wasteful number, since it uses less digits than its factorization.

123053112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 123053112 is about 11092.9307218607. The cubic root of 123053112 is about 497.3905546139.

The spelling of 123053112 in words is "one hundred twenty-three million, fifty-three thousand, one hundred twelve".