43254423103 has 2 divisors, whose sum is σ = 43254423104. Its totient is φ = 43254423102.

The previous prime is 43254423071. The next prime is 43254423137. The reversal of 43254423103 is 30132445234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43254423103 - 2⁵ = 43254423071 is a prime.

It is a super-3 number, since 3×43254423103³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43254423193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21627211551 + 21627211552.

It is an arithmetic number, because the mean of its divisors is an integer number (21627211552).

Almost surely, 2^43254423103 is an apocalyptic number.

43254423103 is a deficient number, since it is larger than the sum of its proper divisors (1).

43254423103 is an equidigital number, since it uses as much as digits as its factorization.

43254423103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 43254423103 its reverse (30132445234), we get a palindrome (73386868337).

The spelling of 43254423103 in words is "forty-three billion, two hundred fifty-four million, four hundred twenty-three thousand, one hundred three".