252123307234 has 16 divisors (see below), whose sum is σ = 391251830400. Its totient is φ = 121706608464.

The previous prime is 252123307213. The next prime is 252123307283. The reversal of 252123307234 is 432703321252.

It is a self number, because there is not a number n which added to its sum of digits gives 252123307234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786769 + ... + 1059835.

It is an arithmetic number, because the mean of its divisors is an integer number (24453239400).

Almost surely, 2^252123307234 is an apocalyptic number.

252123307234 is a deficient number, since it is larger than the sum of its proper divisors (139128523166).

252123307234 is a wasteful number, since it uses less digits than its factorization.

252123307234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289017.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 252123307234 its reverse (432703321252), we get a palindrome (684826628486).

The spelling of 252123307234 in words is "two hundred fifty-two billion, one hundred twenty-three million, three hundred seven thousand, two hundred thirty-four".