123291339 has 8 divisors (see below), whose sum is σ = 171535872. Its totient is φ = 78620520.

The previous prime is 123291331. The next prime is 123291341. The reversal of 123291339 is 933192321.

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

It is not a de Polignac number, because 123291339 - 2³ = 123291331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123291331) 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, 893347 + ... + 893484.

It is an arithmetic number, because the mean of its divisors is an integer number (21441984).

Almost surely, 2^123291339 is an apocalyptic number.

123291339 is a deficient number, since it is larger than the sum of its proper divisors (48244533).

123291339 is a wasteful number, since it uses less digits than its factorization.

123291339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786857.

The product of its digits is 8748, while the sum is 33.

The square root of 123291339 is about 11103.6633144202. The cubic root of 123291339 is about 497.7113252533.

The spelling of 123291339 in words is "one hundred twenty-three million, two hundred ninety-one thousand, three hundred thirty-nine".