23231445240000 has 140 divisors (see below), whose sum is σ = 76808579030744. Its totient is φ = 6195052032000.

The previous prime is 23231445239999. The next prime is 23231445240037. The reversal of 23231445240000 is 4254413232.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23231445240000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96677689 + ... + 96917688.

Almost surely, 2^{23231445240000} is an apocalyptic number.

23231445240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231445240000 is an abundant number, since it is smaller than the sum of its proper divisors (53577133790744).

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

23231445240000 is an equidigital number, since it uses as much as digits as its factorization.

23231445240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193595412 (or 193595387 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 23231445240000 its reverse (4254413232), we get a palindrome (23235699653232).

The spelling of 23231445240000 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred forty-five million, two hundred forty thousand".