123853212 has 144 divisors (see below), whose sum is σ = 376696320. Its totient is φ = 34852032.

The previous prime is 123853207. The next prime is 123853217. The reversal of 123853212 is 212358321.

123853212 is a `hidden beast` number, since 123 + 8 + 532 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (123853207) and next prime (123853217).

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2880) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123853217) 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, 741553 + ... + 741719.

Almost surely, 2^123853212 is an apocalyptic number.

123853212 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 123853212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188348160).

123853212 is an abundant number, since it is smaller than the sum of its proper divisors (252843108).

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

123853212 is a wasteful number, since it uses less digits than its factorization.

123853212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 288 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 123853212 is about 11128.9357981794. The cubic root of 123853212 is about 498.4662493619.

The spelling of 123853212 in words is "one hundred twenty-three million, eight hundred fifty-three thousand, two hundred twelve".