344021123 has 2 divisors, whose sum is σ = 344021124. Its totient is φ = 344021122.

The previous prime is 344021107. The next prime is 344021137. The reversal of 344021123 is 321120443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344021123 - 2⁴ = 344021107 is a prime.

It is a super-2 number, since 2×344021123² = 236701066140362258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344021095 and 344021104.

It is not a weakly prime, because it can be changed into another prime (344021173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172010561 + 172010562.

It is an arithmetic number, because the mean of its divisors is an integer number (172010562).

Almost surely, 2^344021123 is an apocalyptic number.

344021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

344021123 is an equidigital number, since it uses as much as digits as its factorization.

344021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 344021123 is about 18547.8064201673. The cubic root of 344021123 is about 700.6939533104.

Adding to 344021123 its reverse (321120443), we get a palindrome (665141566).

The spelling of 344021123 in words is "three hundred forty-four million, twenty-one thousand, one hundred twenty-three".