823505467 has 16 divisors (see below), whose sum is σ = 891142560. Its totient is φ = 758564352.

The previous prime is 823505461. The next prime is 823505479. The reversal of 823505467 is 764505328.

823505467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 823505467 - 2⁷ = 823505339 is a prime.

It is a super-2 number, since 2×823505467² = 1356322508357776178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (823505461) 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, 110173 + ... + 117409.

It is an arithmetic number, because the mean of its divisors is an integer number (55696410).

Almost surely, 2^823505467 is an apocalyptic number.

823505467 is a deficient number, since it is larger than the sum of its proper divisors (67637093).

823505467 is a wasteful number, since it uses less digits than its factorization.

823505467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 823505467 is about 28696.7849592947. The cubic root of 823505467 is about 937.3220396313.

The spelling of 823505467 in words is "eight hundred twenty-three million, five hundred five thousand, four hundred sixty-seven".