23012203120 has 80 divisors (see below), whose sum is σ = 54333084960. Its totient is φ = 9063014400.

The previous prime is 23012203111. The next prime is 23012203129. The reversal of 23012203120 is 2130221032.

It is an interprime number because it is at equal distance from previous prime (23012203111) and next prime (23012203129).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×23012203120² (a number of 22 digits) contains 22 as substring.

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 = 23012203094 and 23012203103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012203129) 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 15 ways as a sum of consecutive naturals, for example, 1709215 + ... + 1722625.

It is an arithmetic number, because the mean of its divisors is an integer number (679163562).

Almost surely, 2^23012203120 is an apocalyptic number.

23012203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23012203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27166542480).

23012203120 is an abundant number, since it is smaller than the sum of its proper divisors (31320881840).

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

23012203120 is a wasteful number, since it uses less digits than its factorization.

23012203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13754 (or 13748 counting only the distinct ones).

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

Adding to 23012203120 its reverse (2130221032), we get a palindrome (25142424152).

The spelling of 23012203120 in words is "twenty-three billion, twelve million, two hundred three thousand, one hundred twenty".