303423049 has 2 divisors, whose sum is σ = 303423050. Its totient is φ = 303423048.

The previous prime is 303423047. The next prime is 303423053. The reversal of 303423049 is 940324303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279725625 + 23697424 = 16725^2 + 4868^2 .

It is a cyclic number.

It is not a de Polignac number, because 303423049 - 2¹ = 303423047 is a prime.

Together with 303423047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (303423041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151711524 + 151711525.

It is an arithmetic number, because the mean of its divisors is an integer number (151711525).

Almost surely, 2^303423049 is an apocalyptic number.

It is an amenable number.

303423049 is a deficient number, since it is larger than the sum of its proper divisors (1).

303423049 is an equidigital number, since it uses as much as digits as its factorization.

303423049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 303423049 is about 17419.0427119288. The cubic root of 303423049 is about 671.9694402498.

The spelling of 303423049 in words is "three hundred three million, four hundred twenty-three thousand, forty-nine".