206723241 has 24 divisors (see below), whose sum is σ = 313125696. Its totient is φ = 131171040.

The previous prime is 206723227. The next prime is 206723243. The reversal of 206723241 is 142327602.

It is not a de Polignac number, because 206723241 - 2⁷ = 206723113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206723243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41311 + ... + 46043.

It is an arithmetic number, because the mean of its divisors is an integer number (13046904).

Almost surely, 2^206723241 is an apocalyptic number.

It is an amenable number.

206723241 is a deficient number, since it is larger than the sum of its proper divisors (106402455).

206723241 is a wasteful number, since it uses less digits than its factorization.

206723241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 206723241 is about 14377.8733128373. The cubic root of 206723241 is about 591.2844190891.

The spelling of 206723241 in words is "two hundred six million, seven hundred twenty-three thousand, two hundred forty-one".