401101423109 has 2 divisors, whose sum is σ = 401101423110. Its totient is φ = 401101423108.

The previous prime is 401101423091. The next prime is 401101423223. The reversal of 401101423109 is 901324101104.

It is a happy number.

Together with previous prime (401101423091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388755991009 + 12345432100 = 623503^2 + 111110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401101423109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401101423909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200550711554 + 200550711555.

It is an arithmetic number, because the mean of its divisors is an integer number (200550711555).

Almost surely, 2^401101423109 is an apocalyptic number.

It is an amenable number.

401101423109 is a deficient number, since it is larger than the sum of its proper divisors (1).

401101423109 is an equidigital number, since it uses as much as digits as its factorization.

401101423109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 401101423109 in words is "four hundred one billion, one hundred one million, four hundred twenty-three thousand, one hundred nine".