239123013 has 8 divisors (see below), whose sum is σ = 318952128. Its totient is φ = 159354624.

The previous prime is 239123011. The next prime is 239123039. The reversal of 239123013 is 310321932.

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

It is not a de Polignac number, because 239123013 - 2¹ = 239123011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239123011) 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, 5020 + ... + 22437.

It is an arithmetic number, because the mean of its divisors is an integer number (39869016).

Almost surely, 2^239123013 is an apocalyptic number.

It is an amenable number.

239123013 is a deficient number, since it is larger than the sum of its proper divisors (79829115).

239123013 is a wasteful number, since it uses less digits than its factorization.

239123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30363.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 239123013 is about 15463.6028466849. The cubic root of 239123013 is about 620.6886321842.

Adding to 239123013 its reverse (310321932), we get a palindrome (549444945).

The spelling of 239123013 in words is "two hundred thirty-nine million, one hundred twenty-three thousand, thirteen".