123344131 has 4 divisors (see below), whose sum is σ = 123372000. Its totient is φ = 123316264.

The previous prime is 123344099. The next prime is 123344141. The reversal of 123344131 is 131443321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123344131 - 2⁵ = 123344099 is a prime.

It is a super-2 number, since 2×123344131² = 30427549304290322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123344141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656 + ... + 16693.

It is an arithmetic number, because the mean of its divisors is an integer number (30843000).

Almost surely, 2^123344131 is an apocalyptic number.

123344131 is a deficient number, since it is larger than the sum of its proper divisors (27869).

123344131 is an equidigital number, since it uses as much as digits as its factorization.

123344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27868.

The product of its digits is 864, while the sum is 22.

The square root of 123344131 is about 11106.0402934619. The cubic root of 123344131 is about 497.7823532946.

Adding to 123344131 its reverse (131443321), we get a palindrome (254787452).

The spelling of 123344131 in words is "one hundred twenty-three million, three hundred forty-four thousand, one hundred thirty-one".