239161123 has 8 divisors (see below), whose sum is σ = 242990928. Its totient is φ = 235339104.

The previous prime is 239161121. The next prime is 239161127. The reversal of 239161123 is 321161932.

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 239161123 - 2¹ = 239161121 is a prime.

It is a super-2 number, since 2×239161123² = 114396085509242258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239161091 and 239161100.

It is not an unprimeable number, because it can be changed into a prime (239161121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106965 + ... + 109177.

It is an arithmetic number, because the mean of its divisors is an integer number (30373866).

Almost surely, 2^239161123 is an apocalyptic number.

239161123 is a deficient number, since it is larger than the sum of its proper divisors (3829805).

239161123 is a wasteful number, since it uses less digits than its factorization.

239161123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its digits is 1944, while the sum is 28.

The square root of 239161123 is about 15464.8350460003. The cubic root of 239161123 is about 620.7216043171.

The spelling of 239161123 in words is "two hundred thirty-nine million, one hundred sixty-one thousand, one hundred twenty-three".