123453252 has 144 divisors (see below), whose sum is σ = 363242880. Its totient is φ = 35011584.

The previous prime is 123453251. The next prime is 123453263. The reversal of 123453252 is 252354321.

It is a happy number.

123453252 is a `hidden beast` number, since 123 + 4 + 532 + 5 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123453251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 469273 + ... + 469535.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^123453252 is an apocalyptic number.

123453252 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 123453252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181621440).

123453252 is an abundant number, since it is smaller than the sum of its proper divisors (239789628).

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

123453252 is a wasteful number, since it uses less digits than its factorization.

123453252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 123453252 is about 11110.9518944148. The cubic root of 123453252 is about 497.9291039542.

The spelling of 123453252 in words is "one hundred twenty-three million, four hundred fifty-three thousand, two hundred fifty-two".