23252333520 has 160 divisors (see below), whose sum is σ = 77704526592. Its totient is φ = 5717938176.

The previous prime is 23252333501. The next prime is 23252333543. The reversal of 23252333520 is 2533325232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3719037 + ... + 3725283.

Almost surely, 2^23252333520 is an apocalyptic number.

23252333520 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 23252333520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38852263296).

23252333520 is an abundant number, since it is smaller than the sum of its proper divisors (54452193072).

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

23252333520 is a wasteful number, since it uses less digits than its factorization.

23252333520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469 (or 7463 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 23252333520 its reverse (2533325232), we get a palindrome (25785658752).

The spelling of 23252333520 in words is "twenty-three billion, two hundred fifty-two million, three hundred thirty-three thousand, five hundred twenty".