1021304330223 has 16 divisors (see below), whose sum is σ = 1367124156000. Its totient is φ = 678178941440.

The previous prime is 1021304330153. The next prime is 1021304330227. The reversal of 1021304330223 is 3220334031201.

It is a cyclic number.

It is not a de Polignac number, because 1021304330223 - 2⁹ = 1021304329711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021304330193 and 1021304330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021304330227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911163 + ... + 2386451.

It is an arithmetic number, because the mean of its divisors is an integer number (85445259750).

Almost surely, 2^{1021304330223} is an apocalyptic number.

1021304330223 is a deficient number, since it is larger than the sum of its proper divisors (345819825777).

1021304330223 is a wasteful number, since it uses less digits than its factorization.

1021304330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478122.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1021304330223 its reverse (3220334031201), we get a palindrome (4241638361424).

The spelling of 1021304330223 in words is "one trillion, twenty-one billion, three hundred four million, three hundred thirty thousand, two hundred twenty-three".