123433452 has 72 divisors (see below), whose sum is σ = 321873552. Its totient is φ = 39859200.

The previous prime is 123433423. The next prime is 123433463. The reversal of 123433452 is 254334321.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 355543 + ... + 355889.

It is an arithmetic number, because the mean of its divisors is an integer number (4470466).

Almost surely, 2^123433452 is an apocalyptic number.

123433452 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 123433452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160936776).

123433452 is an abundant number, since it is smaller than the sum of its proper divisors (198440100).

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

123433452 is a wasteful number, since it uses less digits than its factorization.

123433452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 634 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 123433452 is about 11110.0608459180. The cubic root of 123433452 is about 497.9024824781.

Adding to 123433452 its reverse (254334321), we get a palindrome (377767773).

The spelling of 123433452 in words is "one hundred twenty-three million, four hundred thirty-three thousand, four hundred fifty-two".