43103453 has 4 divisors (see below), whose sum is σ = 43834080. Its totient is φ = 42372828.

The previous prime is 43103407. The next prime is 43103491. The reversal of 43103453 is 35430134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43103453 - 2⁸ = 43103197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43103353) 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, 365225 + ... + 365342.

It is an arithmetic number, because the mean of its divisors is an integer number (10958520).

Almost surely, 2^43103453 is an apocalyptic number.

It is an amenable number.

43103453 is a deficient number, since it is larger than the sum of its proper divisors (730627).

43103453 is an equidigital number, since it uses as much as digits as its factorization.

43103453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730626.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 43103453 is about 6565.3220027657. The cubic root of 43103453 is about 350.6205399665.

Adding to 43103453 its reverse (35430134), we get a palindrome (78533587).

The spelling of 43103453 in words is "forty-three million, one hundred three thousand, four hundred fifty-three".