23321101242340 has 96 divisors (see below), whose sum is σ = 55756916683776. Its totient is φ = 8110595898240.

The previous prime is 23321101242239. The next prime is 23321101242347. The reversal of 23321101242340 is 4324210112332.

It is a junction number, because it is equal to n+sod(n) for n = 23321101242299 and 23321101242308.

It is not an unprimeable number, because it can be changed into a prime (23321101242347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37760059 + ... + 38372701.

It is an arithmetic number, because the mean of its divisors is an integer number (580801215456).

Almost surely, 2^{23321101242340} is an apocalyptic number.

23321101242340 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 23321101242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27878458341888).

23321101242340 is an abundant number, since it is smaller than the sum of its proper divisors (32435815441436).

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

23321101242340 is a wasteful number, since it uses less digits than its factorization.

23321101242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620209 (or 620207 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23321101242340 its reverse (4324210112332), we get a palindrome (27645311354672).

The spelling of 23321101242340 in words is "twenty-three trillion, three hundred twenty-one billion, one hundred one million, two hundred forty-two thousand, three hundred forty".