401101423231 has 2 divisors, whose sum is σ = 401101423232. Its totient is φ = 401101423230.

The previous prime is 401101423223. The next prime is 401101423249. The reversal of 401101423231 is 132324101104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401101423231 - 2³ = 401101423223 is a prime.

It is a super-2 number, since 2×401101423231² (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 (401101423271) 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, 200550711615 + 200550711616.

It is an arithmetic number, because the mean of its divisors is an integer number (200550711616).

Almost surely, 2^401101423231 is an apocalyptic number.

401101423231 is a deficient number, since it is larger than the sum of its proper divisors (1).

401101423231 is an equidigital number, since it uses as much as digits as its factorization.

401101423231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 401101423231 its reverse (132324101104), we get a palindrome (533425524335).

The spelling of 401101423231 in words is "four hundred one billion, one hundred one million, four hundred twenty-three thousand, two hundred thirty-one".