823056311 has 16 divisors (see below), whose sum is σ = 1070765568. Its totient is φ = 613456800.

The previous prime is 823056287. The next prime is 823056361. The reversal of 823056311 is 113650328.

It is not a de Polignac number, because 823056311 - 2¹⁴ = 823039927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823056361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230600 + ... + 234141.

It is an arithmetic number, because the mean of its divisors is an integer number (66922848).

Almost surely, 2^823056311 is an apocalyptic number.

823056311 is a deficient number, since it is larger than the sum of its proper divisors (247709257).

823056311 is a wasteful number, since it uses less digits than its factorization.

823056311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464782.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 823056311 is about 28688.9579978081. The cubic root of 823056311 is about 937.1515973779.

The spelling of 823056311 in words is "eight hundred twenty-three million, fifty-six thousand, three hundred eleven".