103421010443 has 4 divisors (see below), whose sum is σ = 103453669440. Its totient is φ = 103388351448.

The previous prime is 103421010421. The next prime is 103421010481. The reversal of 103421010443 is 344010124301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103421010443 - 2¹² = 103421006347 is a prime.

It is a super-2 number, since 2×103421010443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103421010743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16324748 + ... + 16331081.

It is an arithmetic number, because the mean of its divisors is an integer number (25863417360).

Almost surely, 2^103421010443 is an apocalyptic number.

103421010443 is a deficient number, since it is larger than the sum of its proper divisors (32658997).

103421010443 is an equidigital number, since it uses as much as digits as its factorization.

103421010443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32658996.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 103421010443 its reverse (344010124301), we get a palindrome (447431134744).

The spelling of 103421010443 in words is "one hundred three billion, four hundred twenty-one million, ten thousand, four hundred forty-three".