1023220323 has 8 divisors (see below), whose sum is σ = 1515882000. Its totient is φ = 682146864.

The previous prime is 1023220307. The next prime is 1023220337. The reversal of 1023220323 is 3230223201.

It is a happy number.

It is not a de Polignac number, because 1023220323 - 2⁴ = 1023220307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023220296 and 1023220305.

It is not an unprimeable number, because it can be changed into a prime (1023225323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18948498 + ... + 18948551.

It is an arithmetic number, because the mean of its divisors is an integer number (189485250).

Almost surely, 2^1023220323 is an apocalyptic number.

1023220323 is a deficient number, since it is larger than the sum of its proper divisors (492661677).

1023220323 is an equidigital number, since it uses as much as digits as its factorization.

1023220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37897058 (or 37897052 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1023220323 is about 31987.8152270517. The cubic root of 1023220323 is about 1007.6809594766.

Adding to 1023220323 its reverse (3230223201), we get a palindrome (4253443524).

The spelling of 1023220323 in words is "one billion, twenty-three million, two hundred twenty thousand, three hundred twenty-three".