252123532430 has 64 divisors (see below), whose sum is σ = 567956302848. Its totient is φ = 78285096960.

The previous prime is 252123532421. The next prime is 252123532481. The reversal of 252123532430 is 34235321252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419987 + ... + 825006.

It is an arithmetic number, because the mean of its divisors is an integer number (8874317232).

Almost surely, 2^252123532430 is an apocalyptic number.

252123532430 is an abundant number, since it is smaller than the sum of its proper divisors (315832770418).

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

252123532430 is a wasteful number, since it uses less digits than its factorization.

252123532430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245281.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 252123532430 its reverse (34235321252), we get a palindrome (286358853682).

The spelling of 252123532430 in words is "two hundred fifty-two billion, one hundred twenty-three million, five hundred thirty-two thousand, four hundred thirty".