344432663 has 2 divisors, whose sum is σ = 344432664. Its totient is φ = 344432662.

The previous prime is 344432639. The next prime is 344432689. The reversal of 344432663 is 366234443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344432663 - 2¹⁴ = 344416279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344432063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172216331 + 172216332.

It is an arithmetic number, because the mean of its divisors is an integer number (172216332).

Almost surely, 2^344432663 is an apocalyptic number.

344432663 is a deficient number, since it is larger than the sum of its proper divisors (1).

344432663 is an equidigital number, since it uses as much as digits as its factorization.

344432663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 35.

The square root of 344432663 is about 18558.8971385694. The cubic root of 344432663 is about 700.9732468967.

The spelling of 344432663 in words is "three hundred forty-four million, four hundred thirty-two thousand, six hundred sixty-three".