344320123 has 4 divisors (see below), whose sum is σ = 393508720. Its totient is φ = 295131528.

The previous prime is 344320121. The next prime is 344320181. The reversal of 344320123 is 321023443.

It is a happy number.

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 344320123 - 2¹ = 344320121 is a prime.

It is a super-3 number, since 3×344320123³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344320094 and 344320103.

It is not an unprimeable number, because it can be changed into a prime (344320121) 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, 24594288 + ... + 24594301.

It is an arithmetic number, because the mean of its divisors is an integer number (98377180).

Almost surely, 2^344320123 is an apocalyptic number.

344320123 is a deficient number, since it is larger than the sum of its proper divisors (49188597).

344320123 is an equidigital number, since it uses as much as digits as its factorization.

344320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49188596.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 344320123 is about 18555.8649219054. The cubic root of 344320123 is about 700.8968931986.

Adding to 344320123 its reverse (321023443), we get a palindrome (665343566).

It can be divided in two parts, 344320 and 123, that added together give a palindrome (344443).

The spelling of 344320123 in words is "three hundred forty-four million, three hundred twenty thousand, one hundred twenty-three".