23211320203120 has 40 divisors (see below), whose sum is σ = 61675793684064. Its totient is φ = 7958166926592.

The previous prime is 23211320203087. The next prime is 23211320203163. The reversal of 23211320203120 is 2130202311232.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 23211320203091 and 23211320203100.

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, 20724392479 + ... + 20724393598.

Almost surely, 2^{23211320203120} is an apocalyptic number.

23211320203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211320203120 is an abundant number, since it is smaller than the sum of its proper divisors (38464473480944).

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

23211320203120 is a wasteful number, since it uses less digits than its factorization.

23211320203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41448786097 (or 41448786091 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23211320203120 its reverse (2130202311232), we get a palindrome (25341522514352).

The spelling of 23211320203120 in words is "twenty-three trillion, two hundred eleven billion, three hundred twenty million, two hundred three thousand, one hundred twenty".