401240323411 has 2 divisors, whose sum is σ = 401240323412. Its totient is φ = 401240323410.

The previous prime is 401240323343. The next prime is 401240323441. The reversal of 401240323411 is 114323042104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401240323411 - 2¹⁵ = 401240290643 is a prime.

It is not a weakly prime, because it can be changed into another prime (401240323441) 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, 200620161705 + 200620161706.

It is an arithmetic number, because the mean of its divisors is an integer number (200620161706).

Almost surely, 2^401240323411 is an apocalyptic number.

401240323411 is a deficient number, since it is larger than the sum of its proper divisors (1).

401240323411 is an equidigital number, since it uses as much as digits as its factorization.

401240323411 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 401240323411 its reverse (114323042104), we get a palindrome (515563365515).

The spelling of 401240323411 in words is "four hundred one billion, two hundred forty million, three hundred twenty-three thousand, four hundred eleven".