23321105043420 has 48 divisors (see below), whose sum is σ = 67550787027360. Its totient is φ = 6004514401536.

The previous prime is 23321105043373. The next prime is 23321105043421. The reversal of 23321105043420 is 2434050112332.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321105043421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6701465227 + ... + 6701468706.

It is an arithmetic number, because the mean of its divisors is an integer number (1407308063070).

Almost surely, 2^{23321105043420} is an apocalyptic number.

23321105043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321105043420 is an abundant number, since it is smaller than the sum of its proper divisors (44229681983940).

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

23321105043420 is a wasteful number, since it uses less digits than its factorization.

23321105043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402933974 (or 13402933972 counting only the distinct ones).

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

Adding to 23321105043420 its reverse (2434050112332), we get a palindrome (25755155155752).

The spelling of 23321105043420 in words is "twenty-three trillion, three hundred twenty-one billion, one hundred five million, forty-three thousand, four hundred twenty".