23133325304240 has 120 divisors (see below), whose sum is σ = 55724516914560. Its totient is φ = 8930893289472.

The previous prime is 23133325304207. The next prime is 23133325304321. The reversal of 23133325304240 is 4240352333132.

It is a self number, because there is not a number n which added to its sum of digits gives 23133325304240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182871092 + ... + 182997548.

It is an arithmetic number, because the mean of its divisors is an integer number (464370974288).

Almost surely, 2^{23133325304240} is an apocalyptic number.

23133325304240 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 23133325304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27862258457280).

23133325304240 is an abundant number, since it is smaller than the sum of its proper divisors (32591191610320).

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

23133325304240 is a wasteful number, since it uses less digits than its factorization.

23133325304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129247 (or 129212 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 23133325304240 its reverse (4240352333132), we get a palindrome (27373677637372).

The spelling of 23133325304240 in words is "twenty-three trillion, one hundred thirty-three billion, three hundred twenty-five million, three hundred four thousand, two hundred forty".