23421422103420 has 192 divisors, whose sum is σ = 73124118337536. Its totient is φ = 5552538501120.

The previous prime is 23421422103403. The next prime is 23421422103433. The reversal of 23421422103420 is 2430122412432.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37441134 + ... + 38061546.

It is an arithmetic number, because the mean of its divisors is an integer number (380854783008).

Almost surely, 2^{23421422103420} is an apocalyptic number.

23421422103420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23421422103420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36562059168768).

23421422103420 is an abundant number, since it is smaller than the sum of its proper divisors (49702696234116).

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

23421422103420 is a wasteful number, since it uses less digits than its factorization.

23421422103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621700 (or 621698 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 23421422103420 its reverse (2430122412432), we get a palindrome (25851544515852).

The spelling of 23421422103420 in words is "twenty-three trillion, four hundred twenty-one billion, four hundred twenty-two million, one hundred three thousand, four hundred twenty".