400233433 has 4 divisors (see below), whose sum is σ = 402329088. Its totient is φ = 398137780.

The previous prime is 400233401. The next prime is 400233443. The reversal of 400233433 is 334332004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400233433 - 2⁵ = 400233401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400233443) 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, 1047541 + ... + 1047922.

It is an arithmetic number, because the mean of its divisors is an integer number (100582272).

Almost surely, 2^400233433 is an apocalyptic number.

It is an amenable number.

400233433 is a deficient number, since it is larger than the sum of its proper divisors (2095655).

400233433 is a wasteful number, since it uses less digits than its factorization.

400233433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095654.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 400233433 is about 20005.8349738270. The cubic root of 400233433 is about 736.9496009431.

Adding to 400233433 its reverse (334332004), we get a palindrome (734565437).

The spelling of 400233433 in words is "four hundred million, two hundred thirty-three thousand, four hundred thirty-three".