23115322304040 has 64 divisors (see below), whose sum is σ = 70654381401600. Its totient is φ = 6047782437632.

The previous prime is 23115322304029. The next prime is 23115322304047. The reversal of 23115322304040 is 4040322351132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23115322303989 and 23115322304007.

It is not an unprimeable number, because it can be changed into a prime (23115322304047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1817235960 + ... + 1817248679.

It is an arithmetic number, because the mean of its divisors is an integer number (1103974709400).

Almost surely, 2^{23115322304040} is an apocalyptic number.

23115322304040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23115322304040 is an abundant number, since it is smaller than the sum of its proper divisors (47539059097560).

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

23115322304040 is a wasteful number, since it uses less digits than its factorization.

23115322304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634484706 (or 3634484702 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23115322304040 its reverse (4040322351132), we get a palindrome (27155644655172).

The spelling of 23115322304040 in words is "twenty-three trillion, one hundred fifteen billion, three hundred twenty-two million, three hundred four thousand, forty".