252523223300 has 72 divisors (see below), whose sum is σ = 560969366496. Its totient is φ = 98616188160.

The previous prime is 252523223191. The next prime is 252523223321. The reversal of 252523223300 is 3322325252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10622027 + ... + 10645773.

Almost surely, 2^252523223300 is an apocalyptic number.

252523223300 is a gapful number since it is divisible by the number (20) 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 252523223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280484683248).

252523223300 is an abundant number, since it is smaller than the sum of its proper divisors (308446143196).

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

252523223300 is a wasteful number, since it uses less digits than its factorization.

252523223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26277 (or 26270 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 252523223300 its reverse (3322325252), we get a palindrome (255845548552).

The spelling of 252523223300 in words is "two hundred fifty-two billion, five hundred twenty-three million, two hundred twenty-three thousand, three hundred".