1023023220321 has 16 divisors (see below), whose sum is σ = 1384761305088. Its totient is φ = 671671400400.

The previous prime is 1023023220199. The next prime is 1023023220367. The reversal of 1023023220321 is 1230223203201.

It is a happy number.

It is not a de Polignac number, because 1023023220321 - 2¹⁰ = 1023023219297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023023220421) 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, 2442031 + ... + 2830116.

It is an arithmetic number, because the mean of its divisors is an integer number (86547581568).

Almost surely, 2^{1023023220321} is an apocalyptic number.

It is an amenable number.

1023023220321 is a deficient number, since it is larger than the sum of its proper divisors (361738084767).

1023023220321 is an equidigital number, since it uses as much as digits as its factorization.

1023023220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273132.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1023023220321 its reverse (1230223203201), we get a palindrome (2253246423522).

The spelling of 1023023220321 in words is "one trillion, twenty-three billion, twenty-three million, two hundred twenty thousand, three hundred twenty-one".