1322023013 has 2 divisors, whose sum is σ = 1322023014. Its totient is φ = 1322023012.

The previous prime is 1322023009. The next prime is 1322023019. The reversal of 1322023013 is 3103202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201176964 + 120846049 = 34658^2 + 10993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322023013 - 2² = 1322023009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322022982 and 1322023000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322023019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661011506 + 661011507.

It is an arithmetic number, because the mean of its divisors is an integer number (661011507).

Almost surely, 2^1322023013 is an apocalyptic number.

It is an amenable number.

1322023013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322023013 is an equidigital number, since it uses as much as digits as its factorization.

1322023013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1322023013 is about 36359.6343903511. The cubic root of 1322023013 is about 1097.5214201502.

Adding to 1322023013 its reverse (3103202231), we get a palindrome (4425225244).

The spelling of 1322023013 in words is "one billion, three hundred twenty-two million, twenty-three thousand, thirteen".