1323020041 has 6 divisors (see below), whose sum is σ = 1539023370. Its totient is φ = 1134017136.

The previous prime is 1323019987. The next prime is 1323020047. The reversal of 1323020041 is 1400203231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 998876025 + 324144016 = 31605^2 + 18004^2 .

It is not a de Polignac number, because 1323020041 - 2¹⁹ = 1322495753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323019997 and 1323020024.

It is not an unprimeable number, because it can be changed into a prime (1323020047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13500156 + ... + 13500253.

It is an arithmetic number, because the mean of its divisors is an integer number (256503895).

Almost surely, 2^1323020041 is an apocalyptic number.

It is an amenable number.

1323020041 is a deficient number, since it is larger than the sum of its proper divisors (216003329).

1323020041 is an equidigital number, since it uses as much as digits as its factorization.

1323020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27000423 (or 27000416 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1323020041 is about 36373.3424502066. The cubic root of 1323020041 is about 1097.7972561494.

Adding to 1323020041 its reverse (1400203231), we get a palindrome (2723223272).

The spelling of 1323020041 in words is "one billion, three hundred twenty-three million, twenty thousand, forty-one".