205323452434 has 8 divisors (see below), whose sum is σ = 308002145328. Its totient is φ = 102656070660.

The previous prime is 205323452357. The next prime is 205323452471. The reversal of 205323452434 is 434254323502.

205323452434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205323452393 and 205323452402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782252 + ... + 2855095.

It is an arithmetic number, because the mean of its divisors is an integer number (38500268166).

Almost surely, 2^205323452434 is an apocalyptic number.

205323452434 is a deficient number, since it is larger than the sum of its proper divisors (102678692894).

205323452434 is a wasteful number, since it uses less digits than its factorization.

205323452434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655560.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 205323452434 its reverse (434254323502), we get a palindrome (639577775936).

The spelling of 205323452434 in words is "two hundred five billion, three hundred twenty-three million, four hundred fifty-two thousand, four hundred thirty-four".