23201203120 has 40 divisors (see below), whose sum is σ = 54265839264. Its totient is φ = 9224904192.

The previous prime is 23201203099. The next prime is 23201203127. The reversal of 23201203120 is 2130210232.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 23201203094 and 23201203103.

It is not an unprimeable number, because it can be changed into a prime (23201203127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854949 + ... + 881668.

Almost surely, 2^23201203120 is an apocalyptic number.

23201203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201203120 is an abundant number, since it is smaller than the sum of its proper divisors (31064636144).

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

23201203120 is a wasteful number, since it uses less digits than its factorization.

23201203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736797 (or 1736791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23201203120 its reverse (2130210232), we get a palindrome (25331413352).

The spelling of 23201203120 in words is "twenty-three billion, two hundred one million, two hundred three thousand, one hundred twenty".