23133440343321 has 24 divisors (see below), whose sum is σ = 41660221571904. Its totient is φ = 12017371606560.

The previous prime is 23133440343313. The next prime is 23133440343353. The reversal of 23133440343321 is 12334304433132.

23133440343321 is a `hidden beast` number, since 2 + 3 + 133 + 440 + 34 + 33 + 21 = 666.

It is not a de Polignac number, because 23133440343321 - 2³ = 23133440343313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23133440343371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16690793206 + ... + 16690794591.

It is an arithmetic number, because the mean of its divisors is an integer number (1735842565496).

Almost surely, 2^{23133440343321} is an apocalyptic number.

23133440343321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23133440343321 is a deficient number, since it is larger than the sum of its proper divisors (18526781228583).

23133440343321 is a wasteful number, since it uses less digits than its factorization.

23133440343321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33381587821 (or 33381587818 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 23133440343321 its reverse (12334304433132), we get a palindrome (35467744776453).

The spelling of 23133440343321 in words is "twenty-three trillion, one hundred thirty-three billion, four hundred forty million, three hundred forty-three thousand, three hundred twenty-one".