400410423 has 24 divisors (see below), whose sum is σ = 662533248. Its totient is φ = 228273552.

The previous prime is 400410397. The next prime is 400410443. The reversal of 400410423 is 324014004.

It is not a de Polignac number, because 400410423 - 2⁵ = 400410391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400410396 and 400410405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400410443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20736 + ... + 35082.

It is an arithmetic number, because the mean of its divisors is an integer number (27605552).

Almost surely, 2^400410423 is an apocalyptic number.

400410423 is a deficient number, since it is larger than the sum of its proper divisors (262122825).

400410423 is a wasteful number, since it uses less digits than its factorization.

400410423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803 (or 14800 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 400410423 is about 20010.2579443644. The cubic root of 400410423 is about 737.0582154643.

Adding to 400410423 its reverse (324014004), we get a palindrome (724424427).

The spelling of 400410423 in words is "four hundred million, four hundred ten thousand, four hundred twenty-three".