123523452 has 108 divisors (see below), whose sum is σ = 343717920. Its totient is φ = 37380096.

The previous prime is 123523451. The next prime is 123523469. The reversal of 123523452 is 254325321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123523451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 480508 + ... + 480764.

Almost surely, 2^123523452 is an apocalyptic number.

123523452 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 123523452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171858960).

123523452 is an abundant number, since it is smaller than the sum of its proper divisors (220194468).

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

123523452 is a wasteful number, since it uses less digits than its factorization.

123523452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 354 counting only the distinct ones).

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

The square root of 123523452 is about 11114.1104907230. The cubic root of 123523452 is about 498.0234662577.

Adding to 123523452 its reverse (254325321), we get a palindrome (377848773).

The spelling of 123523452 in words is "one hundred twenty-three million, five hundred twenty-three thousand, four hundred fifty-two".