1011564323 has 8 divisors (see below), whose sum is σ = 1261171200. Its totient is φ = 788231880.

The previous prime is 1011564289. The next prime is 1011564329. The reversal of 1011564323 is 3234651101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011564323 - 2¹² = 1011560227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011564292 and 1011564301.

It is not an unprimeable number, because it can be changed into a prime (1011564329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6568523 + ... + 6568676.

It is an arithmetic number, because the mean of its divisors is an integer number (157646400).

Almost surely, 2^1011564323 is an apocalyptic number.

1011564323 is a deficient number, since it is larger than the sum of its proper divisors (249606877).

1011564323 is a wasteful number, since it uses less digits than its factorization.

1011564323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137217.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1011564323 is about 31805.0990094356. The cubic root of 1011564323 is about 1003.8400097837.

The spelling of 1011564323 in words is "one billion, eleven million, five hundred sixty-four thousand, three hundred twenty-three".