823751055 has 24 divisors (see below), whose sum is σ = 1437302880. Its totient is φ = 436420800.

The previous prime is 823751029. The next prime is 823751057. The reversal of 823751055 is 550157328.

823751055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 823751055 - 2¹¹ = 823749007 is a prime.

It is a super-2 number, since 2×823751055² = 1357131601227226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823751057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53820 + ... + 67409.

It is an arithmetic number, because the mean of its divisors is an integer number (59887620).

Almost surely, 2^823751055 is an apocalyptic number.

823751055 is a deficient number, since it is larger than the sum of its proper divisors (613551825).

823751055 is a wasteful number, since it uses less digits than its factorization.

823751055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121391 (or 121388 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 823751055 is about 28701.0636562480. The cubic root of 823751055 is about 937.4152072644.

The spelling of 823751055 in words is "eight hundred twenty-three million, seven hundred fifty-one thousand, fifty-five".