103043243421 has 16 divisors (see below), whose sum is σ = 152842177920. Its totient is φ = 68612011200.

The previous prime is 103043243393. The next prime is 103043243423. The reversal of 103043243421 is 124342340301.

103043243421 is a `hidden beast` number, since 1 + 0 + 304 + 324 + 34 + 2 + 1 = 666.

It is not a de Polignac number, because 103043243421 - 2⁵ = 103043243389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103043243423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296380 + ... + 2340821.

It is an arithmetic number, because the mean of its divisors is an integer number (9552636120).

Almost surely, 2^103043243421 is an apocalyptic number.

It is an amenable number.

103043243421 is a deficient number, since it is larger than the sum of its proper divisors (49798934499).

103043243421 is an equidigital number, since it uses as much as digits as its factorization.

103043243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638033 (or 4638027 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103043243421 its reverse (124342340301), we get a palindrome (227385583722).

The spelling of 103043243421 in words is "one hundred three billion, forty-three million, two hundred forty-three thousand, four hundred twenty-one".