344143453 has 2 divisors, whose sum is σ = 344143454. Its totient is φ = 344143452.

The previous prime is 344143439. The next prime is 344143507. The reversal of 344143453 is 354341443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202009369 + 142134084 = 14213^2 + 11922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344143453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344143403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172071726 + 172071727.

It is an arithmetic number, because the mean of its divisors is an integer number (172071727).

Almost surely, 2^344143453 is an apocalyptic number.

It is an amenable number.

344143453 is a deficient number, since it is larger than the sum of its proper divisors (1).

344143453 is an equidigital number, since it uses as much as digits as its factorization.

344143453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 31.

The square root of 344143453 is about 18551.1038216059. The cubic root of 344143453 is about 700.7769964026.

Adding to 344143453 its reverse (354341443), we get a palindrome (698484896).

The spelling of 344143453 in words is "three hundred forty-four million, one hundred forty-three thousand, four hundred fifty-three".