40423013404133 has 2 divisors, whose sum is σ = 40423013404134. Its totient is φ = 40423013404132.

The previous prime is 40423013404099. The next prime is 40423013404141. The reversal of 40423013404133 is 33140431032404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23898967263649 + 16524046140484 = 4888657^2 + 4064978^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423013404133 - 2⁶ = 40423013404069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40423013404133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40423013604133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211506702066 + 20211506702067.

It is an arithmetic number, because the mean of its divisors is an integer number (20211506702067).

Almost surely, 2^{40423013404133} is an apocalyptic number.

It is an amenable number.

40423013404133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423013404133 is an equidigital number, since it uses as much as digits as its factorization.

40423013404133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 40423013404133 its reverse (33140431032404), we get a palindrome (73563444436537).

The spelling of 40423013404133 in words is "forty trillion, four hundred twenty-three billion, thirteen million, four hundred four thousand, one hundred thirty-three".