23218666868260 has 48 divisors (see below), whose sum is σ = 50247928439856. Its totient is φ = 9005612908032.

The previous prime is 23218666868249. The next prime is 23218666868317. The reversal of 23218666868260 is 6286866681232.

It can be written as a sum of positive squares in 8 ways, for example, as 8864100925696 + 14354565942564 = 2977264^2 + 3788742^2 .

It is a super-2 number, since 2×23218666868260² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23218666868192 and 23218666868201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53326827 + ... + 53760466.

It is an arithmetic number, because the mean of its divisors is an integer number (1046831842497).

Almost surely, 2^{23218666868260} is an apocalyptic number.

23218666868260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23218666868260 is an abundant number, since it is smaller than the sum of its proper divisors (27029261571596).

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

23218666868260 is a wasteful number, since it uses less digits than its factorization.

23218666868260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107087632 (or 107087630 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 64.

The spelling of 23218666868260 in words is "twenty-three trillion, two hundred eighteen billion, six hundred sixty-six million, eight hundred sixty-eight thousand, two hundred sixty".