1423433243 has 8 divisors (see below), whose sum is σ = 1451888928. Its totient is φ = 1395036864.

The previous prime is 1423433213. The next prime is 1423433251. The reversal of 1423433243 is 3423343241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423433243 - 2²² = 1419238939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423433213) 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 in 7 ways as a sum of consecutive naturals, for example, 35330 + ... + 63992.

It is an arithmetic number, because the mean of its divisors is an integer number (181486116).

Almost surely, 2^1423433243 is an apocalyptic number.

1423433243 is a deficient number, since it is larger than the sum of its proper divisors (28455685).

1423433243 is an equidigital number, since it uses as much as digits as its factorization.

1423433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29653.

The product of its digits is 20736, while the sum is 29.

The square root of 1423433243 is about 37728.4142656433. The cubic root of 1423433243 is about 1124.8959885403.

Adding to 1423433243 its reverse (3423343241), we get a palindrome (4846776484).

The spelling of 1423433243 in words is "one billion, four hundred twenty-three million, four hundred thirty-three thousand, two hundred forty-three".