123100133443 has 16 divisors (see below), whose sum is σ = 143982125056. Its totient is φ = 103043041920.

The previous prime is 123100133441. The next prime is 123100133447. The reversal of 123100133443 is 344331001321.

It is not a de Polignac number, because 123100133443 - 2¹ = 123100133441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123100133441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919230 + ... + 1982332.

It is an arithmetic number, because the mean of its divisors is an integer number (8998882816).

Almost surely, 2^123100133443 is an apocalyptic number.

123100133443 is a deficient number, since it is larger than the sum of its proper divisors (20881991613).

123100133443 is an equidigital number, since it uses as much as digits as its factorization.

123100133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69634.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123100133443 its reverse (344331001321), we get a palindrome (467431134764).

The spelling of 123100133443 in words is "one hundred twenty-three billion, one hundred million, one hundred thirty-three thousand, four hundred forty-three".