233243252121220 has 144 divisors (see below), whose sum is σ = 543611251903104. Its totient is φ = 83995393996800.

The previous prime is 233243252121203. The next prime is 233243252121293. The reversal of 233243252121220 is 22121252342332.

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 47 ways as a sum of consecutive naturals, for example, 153633364 + ... + 155144116.

It is an arithmetic number, because the mean of its divisors is an integer number (3775078138216).

Almost surely, 2^{233243252121220} is an apocalyptic number.

233243252121220 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 233243252121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271805625951552).

233243252121220 is an abundant number, since it is smaller than the sum of its proper divisors (310367999781884).

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

233243252121220 is a wasteful number, since it uses less digits than its factorization.

233243252121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511402 (or 1511389 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 233243252121220 in words is "two hundred thirty-three trillion, two hundred forty-three billion, two hundred fifty-two million, one hundred twenty-one thousand, two hundred twenty".