206423612 has 12 divisors (see below), whose sum is σ = 361627056. Its totient is φ = 103101600.

The previous prime is 206423611. The next prime is 206423617. The reversal of 206423612 is 216324602.

206423612 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-2 number, since 2×206423612² = 85221415182253088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206423611) 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, 23264 + ... + 30887.

It is an arithmetic number, because the mean of its divisors is an integer number (30135588).

Almost surely, 2^206423612 is an apocalyptic number.

It is an amenable number.

206423612 is a deficient number, since it is larger than the sum of its proper divisors (155203444).

206423612 is a wasteful number, since it uses less digits than its factorization.

206423612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55108 (or 55106 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 206423612 is about 14367.4497389063. The cubic root of 206423612 is about 590.9986076126.

The spelling of 206423612 in words is "two hundred six million, four hundred twenty-three thousand, six hundred twelve".