1214423347 has 2 divisors, whose sum is σ = 1214423348. Its totient is φ = 1214423346.

The previous prime is 1214423297. The next prime is 1214423359. The reversal of 1214423347 is 7433244121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214423347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214423377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607211673 + 607211674.

It is an arithmetic number, because the mean of its divisors is an integer number (607211674).

Almost surely, 2^1214423347 is an apocalyptic number.

1214423347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214423347 is an equidigital number, since it uses as much as digits as its factorization.

1214423347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 1214423347 is about 34848.5774028152. The cubic root of 1214423347 is about 1066.8991503782.

Adding to 1214423347 its reverse (7433244121), we get a palindrome (8647667468).

The spelling of 1214423347 in words is "one billion, two hundred fourteen million, four hundred twenty-three thousand, three hundred forty-seven".