401423101 has 4 divisors (see below), whose sum is σ = 412272412. Its totient is φ = 390573792.

The previous prime is 401423083. The next prime is 401423119. The reversal of 401423101 is 101324104.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (401423083) and next prime (401423119).

It can be written as a sum of positive squares in 2 ways, for example, as 342287001 + 59136100 = 18501^2 + 7690^2 .

It is a cyclic number.

It is not a de Polignac number, because 401423101 - 2⁹ = 401422589 is a prime.

It is a super-2 number, since 2×401423101² = 322281012032912402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401423161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424600 + ... + 5424673.

It is an arithmetic number, because the mean of its divisors is an integer number (103068103).

Almost surely, 2^401423101 is an apocalyptic number.

It is an amenable number.

401423101 is a deficient number, since it is larger than the sum of its proper divisors (10849311).

401423101 is a wasteful number, since it uses less digits than its factorization.

401423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849310.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 401423101 is about 20035.5459371588. The cubic root of 401423101 is about 737.6790570117.

Adding to 401423101 its reverse (101324104), we get a palindrome (502747205).

The spelling of 401423101 in words is "four hundred one million, four hundred twenty-three thousand, one hundred one".