103234421420 has 96 divisors (see below), whose sum is σ = 238824112128. Its totient is φ = 37251954432.

The previous prime is 103234421417. The next prime is 103234421441. The reversal of 103234421420 is 24124432301.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 103234421420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2189009 + ... + 2235671.

It is an arithmetic number, because the mean of its divisors is an integer number (2487751168).

Almost surely, 2^103234421420 is an apocalyptic number.

103234421420 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 103234421420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119412056064).

103234421420 is an abundant number, since it is smaller than the sum of its proper divisors (135589690708).

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

103234421420 is a wasteful number, since it uses less digits than its factorization.

103234421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46879 (or 46877 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 103234421420 its reverse (24124432301), we get a palindrome (127358853721).

The spelling of 103234421420 in words is "one hundred three billion, two hundred thirty-four million, four hundred twenty-one thousand, four hundred twenty".