239669223 has 16 divisors (see below), whose sum is σ = 337478400. Its totient is φ = 150987584.

The previous prime is 239669219. The next prime is 239669291. The reversal of 239669223 is 322966932.

It is a cyclic number.

It is not a de Polignac number, because 239669223 - 2² = 239669219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239669123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15198 + ... + 26651.

It is an arithmetic number, because the mean of its divisors is an integer number (21092400).

Almost surely, 2^239669223 is an apocalyptic number.

239669223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

239669223 is a deficient number, since it is larger than the sum of its proper divisors (97809177).

239669223 is a wasteful number, since it uses less digits than its factorization.

239669223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41958.

The product of its digits is 209952, while the sum is 42.

The square root of 239669223 is about 15481.2539220827. The cubic root of 239669223 is about 621.1608696371.

The spelling of 239669223 in words is "two hundred thirty-nine million, six hundred sixty-nine thousand, two hundred twenty-three".