23121322133140 has 96 divisors (see below), whose sum is σ = 61365083399424. Its totient is φ = 7107924648960.

The previous prime is 23121322133137. The next prime is 23121322133153. The reversal of 23121322133140 is 4133122312132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 23121322133099 and 23121322133108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102722139 + ... + 102946978.

It is an arithmetic number, because the mean of its divisors is an integer number (639219618744).

Almost surely, 2^{23121322133140} is an apocalyptic number.

23121322133140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23121322133140 is an abundant number, since it is smaller than the sum of its proper divisors (38243761266284).

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

23121322133140 is a wasteful number, since it uses less digits than its factorization.

23121322133140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205669217 (or 205669215 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 23121322133140 its reverse (4133122312132), we get a palindrome (27254444445272).

The spelling of 23121322133140 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred twenty-two million, one hundred thirty-three thousand, one hundred forty".