206023023 has 12 divisors (see below), whose sum is σ = 313251640. Its totient is φ = 130119696.

The previous prime is 206023003. The next prime is 206023033. The reversal of 206023023 is 320320602.

It is not a de Polignac number, because 206023023 - 2⁶ = 206022959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206022987 and 206023005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206023003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602236 + ... + 602577.

Almost surely, 2^206023023 is an apocalyptic number.

206023023 is a deficient number, since it is larger than the sum of its proper divisors (107228617).

206023023 is a wasteful number, since it uses less digits than its factorization.

206023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204838 (or 1204835 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 206023023 is about 14353.5021162084. The cubic root of 206023023 is about 590.6160595606.

Adding to 206023023 its reverse (320320602), we get a palindrome (526343625).

The spelling of 206023023 in words is "two hundred six million, twenty-three thousand, twenty-three".