1214423443 has 4 divisors (see below), whose sum is σ = 1218092728. Its totient is φ = 1210754160.

The previous prime is 1214423393. The next prime is 1214423473. The reversal of 1214423443 is 3443244121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1214423443 - 2²⁹ = 677552531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214423473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834146 + ... + 1834807.

It is an arithmetic number, because the mean of its divisors is an integer number (304523182).

Almost surely, 2^1214423443 is an apocalyptic number.

1214423443 is a deficient number, since it is larger than the sum of its proper divisors (3669285).

1214423443 is an equidigital number, since it uses as much as digits as its factorization.

1214423443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669284.

The product of its digits is 9216, while the sum is 28.

The square root of 1214423443 is about 34848.5787802028. The cubic root of 1214423443 is about 1066.8991784909.

Adding to 1214423443 its reverse (3443244121), we get a palindrome (4657667564).

The spelling of 1214423443 in words is "one billion, two hundred fourteen million, four hundred twenty-three thousand, four hundred forty-three".