23315144615220 has 48 divisors (see below), whose sum is σ = 65282889446208. Its totient is φ = 6217325752320.

The previous prime is 23315144615183. The next prime is 23315144615249. The reversal of 23315144615220 is 2251644151332.

23315144615220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7130635 + ... + 9873005.

It is an arithmetic number, because the mean of its divisors is an integer number (1360060196796).

Almost surely, 2^{23315144615220} is an apocalyptic number.

23315144615220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23315144615220 is an abundant number, since it is smaller than the sum of its proper divisors (41967744830988).

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

23315144615220 is a wasteful number, since it uses less digits than its factorization.

23315144615220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884080 (or 2884078 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 23315144615220 its reverse (2251644151332), we get a palindrome (25566788766552).

The spelling of 23315144615220 in words is "twenty-three trillion, three hundred fifteen billion, one hundred forty-four million, six hundred fifteen thousand, two hundred twenty".