344161403 has 2 divisors, whose sum is σ = 344161404. Its totient is φ = 344161402.

The previous prime is 344161393. The next prime is 344161463. The reversal of 344161403 is 304161443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344161403 - 2⁴ = 344161387 is a prime.

It is not a weakly prime, because it can be changed into another prime (344161463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172080701 + 172080702.

It is an arithmetic number, because the mean of its divisors is an integer number (172080702).

Almost surely, 2^344161403 is an apocalyptic number.

344161403 is a deficient number, since it is larger than the sum of its proper divisors (1).

344161403 is an equidigital number, since it uses as much as digits as its factorization.

344161403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 344161403 is about 18551.5876140022. The cubic root of 344161403 is about 700.7891800121.

The spelling of 344161403 in words is "three hundred forty-four million, one hundred sixty-one thousand, four hundred three".