123243532252 has 24 divisors (see below), whose sum is σ = 219389350320. Its totient is φ = 60561409920.

The previous prime is 123243532219. The next prime is 123243532253. The reversal of 123243532252 is 252235342321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123243532253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857752 + ... + 991072.

It is an arithmetic number, because the mean of its divisors is an integer number (9141222930).

Almost surely, 2^123243532252 is an apocalyptic number.

It is an amenable number.

123243532252 is a deficient number, since it is larger than the sum of its proper divisors (96145818068).

123243532252 is a wasteful number, since it uses less digits than its factorization.

123243532252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137301 (or 137299 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 123243532252 its reverse (252235342321), we get a palindrome (375478874573).

The spelling of 123243532252 in words is "one hundred twenty-three billion, two hundred forty-three million, five hundred thirty-two thousand, two hundred fifty-two".