401433002123 has 2 divisors, whose sum is σ = 401433002124. Its totient is φ = 401433002122.

The previous prime is 401433002063. The next prime is 401433002129. The reversal of 401433002123 is 321200334104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401433002123 - 2¹⁶ = 401432936587 is a prime.

It is a super-2 number, since 2×401433002123² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401433002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200716501061 + 200716501062.

It is an arithmetic number, because the mean of its divisors is an integer number (200716501062).

Almost surely, 2^401433002123 is an apocalyptic number.

401433002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

401433002123 is an equidigital number, since it uses as much as digits as its factorization.

401433002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 401433002123 its reverse (321200334104), we get a palindrome (722633336227).

The spelling of 401433002123 in words is "four hundred one billion, four hundred thirty-three million, two thousand, one hundred twenty-three".