1421323433 has 8 divisors (see below), whose sum is σ = 1530963456. Its totient is φ = 1315670400.

The previous prime is 1421323427. The next prime is 1421323441. The reversal of 1421323433 is 3343231241.

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 1421323433 - 2²⁴ = 1404546217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421323483) 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 in 7 ways as a sum of consecutive naturals, for example, 996008 + ... + 997433.

It is an arithmetic number, because the mean of its divisors is an integer number (191370432).

Almost surely, 2^1421323433 is an apocalyptic number.

It is an amenable number.

1421323433 is a deficient number, since it is larger than the sum of its proper divisors (109640023).

1421323433 is a wasteful number, since it uses less digits than its factorization.

1421323433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993495.

The product of its digits is 5184, while the sum is 26.

The square root of 1421323433 is about 37700.4434058805. The cubic root of 1421323433 is about 1124.3399408392.

Adding to 1421323433 its reverse (3343231241), we get a palindrome (4764554674).

The spelling of 1421323433 in words is "one billion, four hundred twenty-one million, three hundred twenty-three thousand, four hundred thirty-three".