123532252250 has 32 divisors (see below), whose sum is σ = 252275325120. Its totient is φ = 44920818000.

The previous prime is 123532252243. The next prime is 123532252297. The reversal of 123532252250 is 52252235321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22457660 + ... + 22463159.

It is an arithmetic number, because the mean of its divisors is an integer number (7883603910).

Almost surely, 2^123532252250 is an apocalyptic number.

123532252250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123532252250 is an abundant number, since it is smaller than the sum of its proper divisors (128743072870).

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

123532252250 is a wasteful number, since it uses less digits than its factorization.

123532252250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44920847 (or 44920837 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 123532252250 its reverse (52252235321), we get a palindrome (175784487571).

The spelling of 123532252250 in words is "one hundred twenty-three billion, five hundred thirty-two million, two hundred fifty-two thousand, two hundred fifty".