1011513323 has 2 divisors, whose sum is σ = 1011513324. Its totient is φ = 1011513322.

The previous prime is 1011513319. The next prime is 1011513361. The reversal of 1011513323 is 3233151101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011513323 - 2² = 1011513319 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011513295 and 1011513304.

It is not a weakly prime, because it can be changed into another prime (1011563323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505756661 + 505756662.

It is an arithmetic number, because the mean of its divisors is an integer number (505756662).

Almost surely, 2^1011513323 is an apocalyptic number.

1011513323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011513323 is an equidigital number, since it uses as much as digits as its factorization.

1011513323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1011513323 is about 31804.2972410962. The cubic root of 1011513323 is about 1003.8231393123.

Adding to 1011513323 its reverse (3233151101), we get a palindrome (4244664424).

The spelling of 1011513323 in words is "one billion, eleven million, five hundred thirteen thousand, three hundred twenty-three".