205323143024 has 20 divisors (see below), whose sum is σ = 398113414944. Its totient is φ = 102584197248.

The previous prime is 205323142967. The next prime is 205323143027. The reversal of 205323143024 is 420341323502.

It is a happy number.

It is a super-2 number, since 2×205323143024² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205323143027) 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, 4813997 + ... + 4856460.

Almost surely, 2^205323143024 is an apocalyptic number.

It is an amenable number.

205323143024 is a deficient number, since it is larger than the sum of its proper divisors (192790271920).

205323143024 is a wasteful number, since it uses less digits than its factorization.

205323143024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671792 (or 9671786 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 205323143024 its reverse (420341323502), we get a palindrome (625664466526).

The spelling of 205323143024 in words is "two hundred five billion, three hundred twenty-three million, one hundred forty-three thousand, twenty-four".