623413133 has 16 divisors (see below), whose sum is σ = 728140800. Its totient is φ = 533525328.

The previous prime is 623413129. The next prime is 623413139. The reversal of 623413133 is 331314326.

It is a happy number.

It is not a de Polignac number, because 623413133 - 2² = 623413129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623413139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341060 + ... + 342882.

It is an arithmetic number, because the mean of its divisors is an integer number (45508800).

Almost surely, 2^623413133 is an apocalyptic number.

It is an amenable number.

623413133 is a deficient number, since it is larger than the sum of its proper divisors (104727667).

623413133 is an equidigital number, since it uses as much as digits as its factorization.

623413133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2827 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 623413133 is about 24968.2424892102. The cubic root of 623413133 is about 854.2637588949.

Adding to 623413133 its reverse (331314326), we get a palindrome (954727459).

The spelling of 623413133 in words is "six hundred twenty-three million, four hundred thirteen thousand, one hundred thirty-three".