106440420030047 has 2 divisors, whose sum is σ = 106440420030048. Its totient is φ = 106440420030046.

The previous prime is 106440420029989. The next prime is 106440420030053. The reversal of 106440420030047 is 740030024044601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106440420030047 is a prime.

It is a super-2 number, since 2×106440420030047² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106440420029989 and 106440420030016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106440420039047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53220210015023 + 53220210015024.

It is an arithmetic number, because the mean of its divisors is an integer number (53220210015024).

Almost surely, 2^{106440420030047} is an apocalyptic number.

106440420030047 is a deficient number, since it is larger than the sum of its proper divisors (1).

106440420030047 is an equidigital number, since it uses as much as digits as its factorization.

106440420030047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 106440420030047 its reverse (740030024044601), we get a palindrome (846470444074648).

The spelling of 106440420030047 in words is "one hundred six trillion, four hundred forty billion, four hundred twenty million, thirty thousand, forty-seven".