401425423 has 8 divisors (see below), whose sum is σ = 459325440. Its totient is φ = 343663800.

The previous prime is 401425399. The next prime is 401425429. The reversal of 401425423 is 324524104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401425423 - 2¹⁷ = 401294351 is a prime.

It is a super-2 number, since 2×401425423² = 322284740461457858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401425429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28303 + ... + 40048.

It is an arithmetic number, because the mean of its divisors is an integer number (57415680).

Almost surely, 2^401425423 is an apocalyptic number.

401425423 is a deficient number, since it is larger than the sum of its proper divisors (57900017).

401425423 is an equidigital number, since it uses as much as digits as its factorization.

401425423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69197.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 401425423 is about 20035.6038840859. The cubic root of 401425423 is about 737.6804793576.

Adding to 401425423 its reverse (324524104), we get a palindrome (725949527).

The spelling of 401425423 in words is "four hundred one million, four hundred twenty-five thousand, four hundred twenty-three".