123348139 has 8 divisors (see below), whose sum is σ = 125729280. Its totient is φ = 120983016.

The previous prime is 123348091. The next prime is 123348157. The reversal of 123348139 is 931843321.

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 123348139 - 2¹⁹ = 122823851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123348179) 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, 12162 + ... + 19864.

It is an arithmetic number, because the mean of its divisors is an integer number (15716160).

Almost surely, 2^123348139 is an apocalyptic number.

123348139 is a deficient number, since it is larger than the sum of its proper divisors (2381141).

123348139 is an equidigital number, since it uses as much as digits as its factorization.

123348139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009.

The product of its digits is 15552, while the sum is 34.

The square root of 123348139 is about 11106.2207343452. The cubic root of 123348139 is about 497.7877449578.

The spelling of 123348139 in words is "one hundred twenty-three million, three hundred forty-eight thousand, one hundred thirty-nine".