343421153 has 2 divisors, whose sum is σ = 343421154. Its totient is φ = 343421152.

The previous prime is 343421149. The next prime is 343421159. The reversal of 343421153 is 351124343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332077729 + 11343424 = 18223^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 343421153 - 2² = 343421149 is a prime.

It is not a weakly prime, because it can be changed into another prime (343421159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171710576 + 171710577.

It is an arithmetic number, because the mean of its divisors is an integer number (171710577).

Almost surely, 2^343421153 is an apocalyptic number.

It is an amenable number.

343421153 is a deficient number, since it is larger than the sum of its proper divisors (1).

343421153 is an equidigital number, since it uses as much as digits as its factorization.

343421153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 343421153 is about 18531.6257516711. The cubic root of 343421153 is about 700.2863814601.

Adding to 343421153 its reverse (351124343), we get a palindrome (694545496).

The spelling of 343421153 in words is "three hundred forty-three million, four hundred twenty-one thousand, one hundred fifty-three".