1011215323 has 2 divisors, whose sum is σ = 1011215324. Its totient is φ = 1011215322.

The previous prime is 1011215273. The next prime is 1011215339. The reversal of 1011215323 is 3235121101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3235121101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011215323 - 2²¹ = 1009118171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011215323.

It is not a weakly prime, because it can be changed into another prime (1011215353) 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, 505607661 + 505607662.

It is an arithmetic number, because the mean of its divisors is an integer number (505607662).

Almost surely, 2^1011215323 is an apocalyptic number.

1011215323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011215323 is an equidigital number, since it uses as much as digits as its factorization.

1011215323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1011215323 is about 31799.6119944882. The cubic root of 1011215323 is about 1003.7245514935.

Adding to 1011215323 its reverse (3235121101), we get a palindrome (4246336424).

The spelling of 1011215323 in words is "one billion, eleven million, two hundred fifteen thousand, three hundred twenty-three".