23321001123420 has 768 divisors, whose sum is σ = 92948385890304. Its totient is φ = 4211854848000.

The previous prime is 23321001123419. The next prime is 23321001123439. The reversal of 23321001123420 is 2432110012332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 68719555 + ... + 69058085.

It is an arithmetic number, because the mean of its divisors is an integer number (121026544128).

Almost surely, 2^{23321001123420} is an apocalyptic number.

23321001123420 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 23321001123420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46474192945152).

23321001123420 is an abundant number, since it is smaller than the sum of its proper divisors (69627384766884).

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

23321001123420 is a wasteful number, since it uses less digits than its factorization.

23321001123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338642 (or 338640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23321001123420 its reverse (2432110012332), we get a palindrome (25753111135752).

The spelling of 23321001123420 in words is "twenty-three trillion, three hundred twenty-one billion, one million, one hundred twenty-three thousand, four hundred twenty".