43253103 has 4 divisors (see below), whose sum is σ = 57670808. Its totient is φ = 28835400.

The previous prime is 43253069. The next prime is 43253107. The reversal of 43253103 is 30135234.

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

It is not a de Polignac number, because 43253103 - 2¹³ = 43244911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43253103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43253107) 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, 7208848 + ... + 7208853.

It is an arithmetic number, because the mean of its divisors is an integer number (14417702).

Almost surely, 2^43253103 is an apocalyptic number.

43253103 is a deficient number, since it is larger than the sum of its proper divisors (14417705).

43253103 is a wasteful number, since it uses less digits than its factorization.

43253103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14417704.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 43253103 is about 6576.7091314730. The cubic root of 43253103 is about 351.0258420434.

Adding to 43253103 its reverse (30135234), we get a palindrome (73388337).

It can be divided in two parts, 432 and 53103, that added together give a palindrome (53535).

The spelling of 43253103 in words is "forty-three million, two hundred fifty-three thousand, one hundred three".