400425323 has 8 divisors (see below), whose sum is σ = 421816320. Its totient is φ = 379065960.

The previous prime is 400425287. The next prime is 400425349. The reversal of 400425323 is 323524004.

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

It is not a de Polignac number, because 400425323 - 2¹² = 400421227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400425373) 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, 20786 + ... + 35112.

It is an arithmetic number, because the mean of its divisors is an integer number (52727040).

Almost surely, 2^400425323 is an apocalyptic number.

400425323 is a deficient number, since it is larger than the sum of its proper divisors (21390997).

400425323 is a wasteful number, since it uses less digits than its factorization.

400425323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 400425323 is about 20010.6302499447. The cubic root of 400425323 is about 737.0673577765.

Adding to 400425323 its reverse (323524004), we get a palindrome (723949327).

The spelling of 400425323 in words is "four hundred million, four hundred twenty-five thousand, three hundred twenty-three".