1020232221323 has 4 divisors (see below), whose sum is σ = 1165979681520. Its totient is φ = 874484761128.

The previous prime is 1020232221289. The next prime is 1020232221353. The reversal of 1020232221323 is 3231222320201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020232221323 - 2⁸ = 1020232221067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020232221353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72873730088 + ... + 72873730101.

It is an arithmetic number, because the mean of its divisors is an integer number (291494920380).

Almost surely, 2^{1020232221323} is an apocalyptic number.

1020232221323 is a deficient number, since it is larger than the sum of its proper divisors (145747460197).

1020232221323 is an equidigital number, since it uses as much as digits as its factorization.

1020232221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145747460196.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1020232221323 its reverse (3231222320201), we get a palindrome (4251454541524).

The spelling of 1020232221323 in words is "one trillion, twenty billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred twenty-three".