23000443440040 has 32 divisors (see below), whose sum is σ = 56455633899360. Its totient is φ = 8363797614400.

The previous prime is 23000443440001. The next prime is 23000443440049. The reversal of 23000443440040 is 4004434400032.

It is a junction number, because it is equal to n+sod(n) for n = 23000443439990 and 23000443440008.

It is not an unprimeable number, because it can be changed into a prime (23000443440049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26136867106 + ... + 26136867985.

It is an arithmetic number, because the mean of its divisors is an integer number (1764238559355).

Almost surely, 2^{23000443440040} is an apocalyptic number.

23000443440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000443440040 is an abundant number, since it is smaller than the sum of its proper divisors (33455190459320).

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

23000443440040 is a wasteful number, since it uses less digits than its factorization.

23000443440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52273735113 (or 52273735109 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23000443440040 its reverse (4004434400032), we get a palindrome (27004877840072).

The spelling of 23000443440040 in words is "twenty-three trillion, four hundred forty-three million, four hundred forty thousand, forty".