103421040320 has 112 divisors (see below), whose sum is σ = 266005897248. Its totient is φ = 38072401920.

The previous prime is 103421040269. The next prime is 103421040377. The reversal of 103421040320 is 23040124301.

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 = 103421040292 and 103421040301.

It is an unprimeable number.

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, 1365035 + ... + 1438805.

It is an arithmetic number, because the mean of its divisors is an integer number (2375052654).

Almost surely, 2^103421040320 is an apocalyptic number.

103421040320 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 103421040320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133002948624).

103421040320 is an abundant number, since it is smaller than the sum of its proper divisors (162584856928).

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

103421040320 is a wasteful number, since it uses less digits than its factorization.

103421040320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74138 (or 74128 counting only the distinct ones).

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

Adding to 103421040320 its reverse (23040124301), we get a palindrome (126461164621).

The spelling of 103421040320 in words is "one hundred three billion, four hundred twenty-one million, forty thousand, three hundred twenty".