344402123 has 4 divisors (see below), whose sum is σ = 370894608. Its totient is φ = 317909640.

The previous prime is 344402081. The next prime is 344402141. The reversal of 344402123 is 321204443.

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 344402123 - 2⁶ = 344402059 is a prime.

It is a super-2 number, since 2×344402123² = 237225644653814258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344402153) 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, 13246223 + ... + 13246248.

It is an arithmetic number, because the mean of its divisors is an integer number (92723652).

Almost surely, 2^344402123 is an apocalyptic number.

344402123 is a deficient number, since it is larger than the sum of its proper divisors (26492485).

344402123 is a wasteful number, since it uses less digits than its factorization.

344402123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26492484.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344402123 is about 18558.0743343699. The cubic root of 344402123 is about 700.9525284244.

Adding to 344402123 its reverse (321204443), we get a palindrome (665606566).

It can be divided in two parts, 34440 and 2123, that added together give a palindrome (36563).

The spelling of 344402123 in words is "three hundred forty-four million, four hundred two thousand, one hundred twenty-three".