43123103133 has 32 divisors (see below), whose sum is σ = 68155699200. Its totient is φ = 23960966400.

The previous prime is 43123103131. The next prime is 43123103141. The reversal of 43123103133 is 33130132134.

It is a happy number.

It is not a de Polignac number, because 43123103133 - 2¹ = 43123103131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43123103131) 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 in 31 ways as a sum of consecutive naturals, for example, 1089868 + ... + 1128741.

It is an arithmetic number, because the mean of its divisors is an integer number (2129865600).

Almost surely, 2^43123103133 is an apocalyptic number.

It is an amenable number.

43123103133 is a deficient number, since it is larger than the sum of its proper divisors (25032596067).

43123103133 is a wasteful number, since it uses less digits than its factorization.

43123103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218673.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 43123103133 its reverse (33130132134), we get a palindrome (76253235267).

The spelling of 43123103133 in words is "forty-three billion, one hundred twenty-three million, one hundred three thousand, one hundred thirty-three".