1491467323 has 2 divisors, whose sum is σ = 1491467324. Its totient is φ = 1491467322.

The previous prime is 1491467321. The next prime is 1491467333. The reversal of 1491467323 is 3237641941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1491467323 - 2¹ = 1491467321 is a prime.

Together with 1491467321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1491467321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745733661 + 745733662.

It is an arithmetic number, because the mean of its divisors is an integer number (745733662).

Almost surely, 2^1491467323 is an apocalyptic number.

1491467323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1491467323 is an equidigital number, since it uses as much as digits as its factorization.

1491467323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 1491467323 is about 38619.5199737128. The cubic root of 1491467323 is about 1142.5395633873.

The spelling of 1491467323 in words is "one billion, four hundred ninety-one million, four hundred sixty-seven thousand, three hundred twenty-three".