1214431223 has 2 divisors, whose sum is σ = 1214431224. Its totient is φ = 1214431222.

The previous prime is 1214431199. The next prime is 1214431237. The reversal of 1214431223 is 3221344121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214431223 - 2²⁰ = 1213382647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214431423) 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, 607215611 + 607215612.

It is an arithmetic number, because the mean of its divisors is an integer number (607215612).

Almost surely, 2^1214431223 is an apocalyptic number.

1214431223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214431223 is an equidigital number, since it uses as much as digits as its factorization.

1214431223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 1214431223 is about 34848.6904058101. The cubic root of 1214431223 is about 1066.9014567896.

Adding to 1214431223 its reverse (3221344121), we get a palindrome (4435775344).

It can be divided in two parts, 121 and 4431223, that added together give a palindrome (4431344).

The spelling of 1214431223 in words is "one billion, two hundred fourteen million, four hundred thirty-one thousand, two hundred twenty-three".