23312303441440 has 48 divisors (see below), whose sum is σ = 59311879722648. Its totient is φ = 8607619731456.

The previous prime is 23312303441429. The next prime is 23312303441489. The reversal of 23312303441440 is 4414430321332.

It can be written as a sum of positive squares in 4 ways, for example, as 18434760519184 + 4877542922256 = 4293572^2 + 2208516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23312303441396 and 23312303441405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603917017 + ... + 5603921176.

Almost surely, 2^{23312303441440} is an apocalyptic number.

23312303441440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312303441440 is an abundant number, since it is smaller than the sum of its proper divisors (35999576281208).

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

23312303441440 is a wasteful number, since it uses less digits than its factorization.

23312303441440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207838221 (or 11207838213 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 23312303441440 its reverse (4414430321332), we get a palindrome (27726733762772).

The spelling of 23312303441440 in words is "twenty-three trillion, three hundred twelve billion, three hundred three million, four hundred forty-one thousand, four hundred forty".