23320111131440 has 80 divisors (see below), whose sum is σ = 57077295979968. Its totient is φ = 8843517247488.

The previous prime is 23320111131403. The next prime is 23320111131461. The reversal of 23320111131440 is 4413111102332.

It is a tau number, because it is divible by the number of its divisors (80).

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, 55871609 + ... + 56287448.

Almost surely, 2^{23320111131440} is an apocalyptic number.

23320111131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320111131440 is an abundant number, since it is smaller than the sum of its proper divisors (33757184848528).

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

23320111131440 is a wasteful number, since it uses less digits than its factorization.

23320111131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112159206 (or 112159200 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 23320111131440 its reverse (4413111102332), we get a palindrome (27733222233772).

The spelling of 23320111131440 in words is "twenty-three trillion, three hundred twenty billion, one hundred eleven million, one hundred thirty-one thousand, four hundred forty".