1421321040223 has 32 divisors (see below), whose sum is σ = 1661901373440. Its totient is φ = 1190425373280.

The previous prime is 1421321040199. The next prime is 1421321040263. The reversal of 1421321040223 is 3220401231241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421321040223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421321040263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240776490 + ... + 240782392.

It is an arithmetic number, because the mean of its divisors is an integer number (51934417920).

Almost surely, 2^{1421321040223} is an apocalyptic number.

1421321040223 is a deficient number, since it is larger than the sum of its proper divisors (240580333217).

1421321040223 is a wasteful number, since it uses less digits than its factorization.

1421321040223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1421321040223 its reverse (3220401231241), we get a palindrome (4641722271464).

The spelling of 1421321040223 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-one million, forty thousand, two hundred twenty-three".