344431123 has 4 divisors (see below), whose sum is σ = 344490280. Its totient is φ = 344371968.

The previous prime is 344431051. The next prime is 344431133. The reversal of 344431123 is 321134443.

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 344431123 - 2¹³ = 344422931 is a prime.

It is a super-2 number, since 2×344431123² = 237265596982082258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344431133) 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 3 ways as a sum of consecutive naturals, for example, 19758 + ... + 32851.

It is an arithmetic number, because the mean of its divisors is an integer number (86122570).

Almost surely, 2^344431123 is an apocalyptic number.

344431123 is a deficient number, since it is larger than the sum of its proper divisors (59157).

344431123 is an equidigital number, since it uses as much as digits as its factorization.

344431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59156.

The product of its digits is 3456, while the sum is 25.

The square root of 344431123 is about 18558.8556489887. The cubic root of 344431123 is about 700.9722021831.

Adding to 344431123 its reverse (321134443), we get a palindrome (665565566).

The spelling of 344431123 in words is "three hundred forty-four million, four hundred thirty-one thousand, one hundred twenty-three".