23121300213232 has 40 divisors (see below), whose sum is σ = 48244498317680. Its totient is φ = 10671144560640.

The previous prime is 23121300213229. The next prime is 23121300213299. The reversal of 23121300213232 is 23231200312132.

It is a junction number, because it is equal to n+sod(n) for n = 23121300213197 and 23121300213206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8937619 + ... + 11230477.

It is an arithmetic number, because the mean of its divisors is an integer number (1206112457942).

Almost surely, 2^{23121300213232} is an apocalyptic number.

It is an amenable number.

23121300213232 is an abundant number, since it is smaller than the sum of its proper divisors (25123198104448).

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

23121300213232 is a wasteful number, since it uses less digits than its factorization.

23121300213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341361 (or 2341355 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23121300213232 its reverse (23231200312132), we get a palindrome (46352500525364).

The spelling of 23121300213232 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred million, two hundred thirteen thousand, two hundred thirty-two".