404434023233 has 2 divisors, whose sum is σ = 404434023234. Its totient is φ = 404434023232.

The previous prime is 404434023197. The next prime is 404434023239. The reversal of 404434023233 is 332320434404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241010301184 + 163423722049 = 490928^2 + 404257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404434023233 is a prime.

It is a super-4 number, since 4×404434023233⁴ (a number of 48 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404434023233.

It is not a weakly prime, because it can be changed into another prime (404434023239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202217011616 + 202217011617.

It is an arithmetic number, because the mean of its divisors is an integer number (202217011617).

Almost surely, 2^404434023233 is an apocalyptic number.

It is an amenable number.

404434023233 is a deficient number, since it is larger than the sum of its proper divisors (1).

404434023233 is an equidigital number, since it uses as much as digits as its factorization.

404434023233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 404434023233 its reverse (332320434404), we get a palindrome (736754457637).

The spelling of 404434023233 in words is "four hundred four billion, four hundred thirty-four million, twenty-three thousand, two hundred thirty-three".