23310243121220 has 24 divisors (see below), whose sum is σ = 53401647878208. Its totient is φ = 8476452044000.

The previous prime is 23310243121183. The next prime is 23310243121241. The reversal of 23310243121220 is 2212134201332.

It is a super-2 number, since 2×23310243121220² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23310243121220.

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 7 ways as a sum of consecutive naturals, for example, 52977825056 + ... + 52977825495.

It is an arithmetic number, because the mean of its divisors is an integer number (2225068661592).

Almost surely, 2^{23310243121220} is an apocalyptic number.

23310243121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310243121220 is an abundant number, since it is smaller than the sum of its proper divisors (30091404756988).

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

23310243121220 is a wasteful number, since it uses less digits than its factorization.

23310243121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105955650571 (or 105955650569 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23310243121220 its reverse (2212134201332), we get a palindrome (25522377322552).

The spelling of 23310243121220 in words is "twenty-three trillion, three hundred ten billion, two hundred forty-three million, one hundred twenty-one thousand, two hundred twenty".