400023035 has 4 divisors (see below), whose sum is σ = 480027648. Its totient is φ = 320018424.

The previous prime is 400022993. The next prime is 400023079. The reversal of 400023035 is 530320004.

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

It is a cyclic number.

It is not a de Polignac number, because 400023035 - 2¹² = 400018939 is a prime.

It is a super-2 number, since 2×400023035² = 320036857061222450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40002299 + ... + 40002308.

It is an arithmetic number, because the mean of its divisors is an integer number (120006912).

Almost surely, 2^400023035 is an apocalyptic number.

400023035 is a deficient number, since it is larger than the sum of its proper divisors (80004613).

400023035 is an equidigital number, since it uses as much as digits as its factorization.

400023035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80004612.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 400023035 is about 20000.5758667094. The cubic root of 400023035 is about 736.8204430675.

Adding to 400023035 its reverse (530320004), we get a palindrome (930343039).

The spelling of 400023035 in words is "four hundred million, twenty-three thousand, thirty-five".