23013021550240 has 48 divisors (see below), whose sum is σ = 55632641647968. Its totient is φ = 8991133998336.

The previous prime is 23013021550237. The next prime is 23013021550247. The reversal of 23013021550240 is 4205512031032.

It is a junction number, because it is equal to n+sod(n) for n = 23013021550199 and 23013021550208.

It is not an unprimeable number, because it can be changed into a prime (23013021550247) 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, 1672451082 + ... + 1672464841.

It is an arithmetic number, because the mean of its divisors is an integer number (1159013367666).

Almost surely, 2^{23013021550240} is an apocalyptic number.

23013021550240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013021550240 is an abundant number, since it is smaller than the sum of its proper divisors (32619620097728).

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

23013021550240 is a wasteful number, since it uses less digits than its factorization.

23013021550240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344915981 (or 3344915973 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 23013021550240 its reverse (4205512031032), we get a palindrome (27218533581272).

The spelling of 23013021550240 in words is "twenty-three trillion, thirteen billion, twenty-one million, five hundred fifty thousand, two hundred forty".