1309464223 has 2 divisors, whose sum is σ = 1309464224. Its totient is φ = 1309464222.

The previous prime is 1309464217. The next prime is 1309464283. The reversal of 1309464223 is 3224649031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1309464223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1309464203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654732111 + 654732112.

It is an arithmetic number, because the mean of its divisors is an integer number (654732112).

Almost surely, 2^1309464223 is an apocalyptic number.

1309464223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1309464223 is an equidigital number, since it uses as much as digits as its factorization.

1309464223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1309464223 is about 36186.5199072804. The cubic root of 1309464223 is about 1094.0349908652.

The spelling of 1309464223 in words is "one billion, three hundred nine million, four hundred sixty-four thousand, two hundred twenty-three".