103423012220 has 96 divisors (see below), whose sum is σ = 240138694656. Its totient is φ = 37102176000.

The previous prime is 103423012219. The next prime is 103423012223. The reversal of 103423012220 is 22210324301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103423012192 and 103423012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103423012223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6280037 + ... + 6296483.

It is an arithmetic number, because the mean of its divisors is an integer number (2501444736).

Almost surely, 2^103423012220 is an apocalyptic number.

103423012220 is a gapful number since it is divisible by the number (10) 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 103423012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120069347328).

103423012220 is an abundant number, since it is smaller than the sum of its proper divisors (136715682436).

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

103423012220 is a wasteful number, since it uses less digits than its factorization.

103423012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851 (or 16849 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103423012220 its reverse (22210324301), we get a palindrome (125633336521).

The spelling of 103423012220 in words is "one hundred three billion, four hundred twenty-three million, twelve thousand, two hundred twenty".