401123333544133 has 2 divisors, whose sum is σ = 401123333544134. Its totient is φ = 401123333544132.

The previous prime is 401123333544107. The next prime is 401123333544173. The reversal of 401123333544133 is 331445333321104.

It is an a-pointer prime, because the next prime (401123333544173) can be obtained adding 401123333544133 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373031870725089 + 28091462819044 = 19314033^2 + 5300138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401123333544133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401123333544173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200561666772066 + 200561666772067.

It is an arithmetic number, because the mean of its divisors is an integer number (200561666772067).

Almost surely, 2^{401123333544133} is an apocalyptic number.

It is an amenable number.

401123333544133 is a deficient number, since it is larger than the sum of its proper divisors (1).

401123333544133 is an equidigital number, since it uses as much as digits as its factorization.

401123333544133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 401123333544133 its reverse (331445333321104), we get a palindrome (732568666865237).

The spelling of 401123333544133 in words is "four hundred one trillion, one hundred twenty-three billion, three hundred thirty-three million, five hundred forty-four thousand, one hundred thirty-three".