205823612 has 6 divisors (see below), whose sum is σ = 360191328. Its totient is φ = 102911804.

The previous prime is 205823609. The next prime is 205823623. The reversal of 205823612 is 216328502.

205823612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×205823612⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25727948 + ... + 25727955.

It is an arithmetic number, because the mean of its divisors is an integer number (60031888).

Almost surely, 2^205823612 is an apocalyptic number.

It is an amenable number.

205823612 is a deficient number, since it is larger than the sum of its proper divisors (154367716).

205823612 is a wasteful number, since it uses less digits than its factorization.

205823612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51455907 (or 51455905 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 205823612 is about 14346.5540113297. The cubic root of 205823612 is about 590.4254443626.

The spelling of 205823612 in words is "two hundred five million, eight hundred twenty-three thousand, six hundred twelve".