101423212443 has 12 divisors (see below), whose sum is σ = 167428795248. Its totient is φ = 57956121360.

The previous prime is 101423212439. The next prime is 101423212453. The reversal of 101423212443 is 344212324101.

101423212443 is a `hidden beast` number, since 1 + 0 + 1 + 4 + 2 + 3 + 212 + 443 = 666.

It is not a de Polignac number, because 101423212443 - 2² = 101423212439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101423212453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804946068 + ... + 804946193.

It is an arithmetic number, because the mean of its divisors is an integer number (13952399604).

Almost surely, 2^101423212443 is an apocalyptic number.

101423212443 is a deficient number, since it is larger than the sum of its proper divisors (66005582805).

101423212443 is a wasteful number, since it uses less digits than its factorization.

101423212443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609892274 (or 1609892271 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101423212443 its reverse (344212324101), we get a palindrome (445635536544).

The spelling of 101423212443 in words is "one hundred one billion, four hundred twenty-three million, two hundred twelve thousand, four hundred forty-three".