205352123034 has 16 divisors (see below), whose sum is σ = 410929558272. Its totient is φ = 68413155648.

The previous prime is 205352122991. The next prime is 205352123057. The reversal of 205352123034 is 430321253502.

It is a junction number, because it is equal to n+sod(n) for n = 205352122992 and 205352123010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9376159 + ... + 9398034.

It is an arithmetic number, because the mean of its divisors is an integer number (25683097392).

Almost surely, 2^205352123034 is an apocalyptic number.

205352123034 is an abundant number, since it is smaller than the sum of its proper divisors (205577435238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205352123034 is a wasteful number, since it uses less digits than its factorization.

205352123034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18776021.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 205352123034 its reverse (430321253502), we get a palindrome (635673376536).

The spelling of 205352123034 in words is "two hundred five billion, three hundred fifty-two million, one hundred twenty-three thousand, thirty-four".