206231743 has 8 divisors (see below), whose sum is σ = 219628368. Its totient is φ = 192975744.

The previous prime is 206231737. The next prime is 206231759. The reversal of 206231743 is 347132602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206231743 - 2¹³ = 206223551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206231143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32121 + ... + 38002.

It is an arithmetic number, because the mean of its divisors is an integer number (27453546).

Almost surely, 2^206231743 is an apocalyptic number.

206231743 is a deficient number, since it is larger than the sum of its proper divisors (13396625).

206231743 is a wasteful number, since it uses less digits than its factorization.

206231743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70313.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 206231743 is about 14360.7709751253. The cubic root of 206231743 is about 590.8154414493.

It can be divided in two parts, 20623 and 1743, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 206231743 in words is "two hundred six million, two hundred thirty-one thousand, seven hundred forty-three".