401423324101 has 2 divisors, whose sum is σ = 401423324102. Its totient is φ = 401423324100.

The previous prime is 401423324089. The next prime is 401423324119. The reversal of 401423324101 is 101423324104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363158095876 + 38265228225 = 602626^2 + 195615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401423324101 is a prime.

It is a super-2 number, since 2×401423324101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401423324131) 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 as a sum of consecutive naturals, namely, 200711662050 + 200711662051.

It is an arithmetic number, because the mean of its divisors is an integer number (200711662051).

Almost surely, 2^401423324101 is an apocalyptic number.

It is an amenable number.

401423324101 is a deficient number, since it is larger than the sum of its proper divisors (1).

401423324101 is an equidigital number, since it uses as much as digits as its factorization.

401423324101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 401423324101 its reverse (101423324104), we get a palindrome (502846648205).

The spelling of 401423324101 in words is "four hundred one billion, four hundred twenty-three million, three hundred twenty-four thousand, one hundred one".