343362403 has 2 divisors, whose sum is σ = 343362404. Its totient is φ = 343362402.

The previous prime is 343362367. The next prime is 343362427. The reversal of 343362403 is 304263343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343362403 - 2⁹ = 343361891 is a prime.

It is not a weakly prime, because it can be changed into another prime (343362463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171681201 + 171681202.

It is an arithmetic number, because the mean of its divisors is an integer number (171681202).

Almost surely, 2^343362403 is an apocalyptic number.

343362403 is a deficient number, since it is larger than the sum of its proper divisors (1).

343362403 is an equidigital number, since it uses as much as digits as its factorization.

343362403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 28.

The square root of 343362403 is about 18530.0405558110. The cubic root of 343362403 is about 700.2464458778.

The spelling of 343362403 in words is "three hundred forty-three million, three hundred sixty-two thousand, four hundred three".