205023351 has 8 divisors (see below), whose sum is σ = 294392560. Its totient is φ = 126168192.

The previous prime is 205023341. The next prime is 205023391. The reversal of 205023351 is 153320502.

205023351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 205023351 - 2¹⁹ = 204499063 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 (205023341) 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, 2628466 + ... + 2628543.

It is an arithmetic number, because the mean of its divisors is an integer number (36799070).

Almost surely, 2^205023351 is an apocalyptic number.

205023351 is a deficient number, since it is larger than the sum of its proper divisors (89369209).

205023351 is a wasteful number, since it uses less digits than its factorization.

205023351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257025.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 205023351 is about 14318.6364923480. The cubic root of 205023351 is about 589.6592411311.

Adding to 205023351 its reverse (153320502), we get a palindrome (358343853).

The spelling of 205023351 in words is "two hundred five million, twenty-three thousand, three hundred fifty-one".