36801823 has 2 divisors, whose sum is σ = 36801824. Its totient is φ = 36801822.

The previous prime is 36801811. The next prime is 36801839. The reversal of 36801823 is 32810863.

36801823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36801823 - 2²¹ = 34704671 is a prime.

It is a super-2 number, since 2×36801823² = 2708748352246658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36801883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18400911 + 18400912.

It is an arithmetic number, because the mean of its divisors is an integer number (18400912).

Almost surely, 2^36801823 is an apocalyptic number.

36801823 is a deficient number, since it is larger than the sum of its proper divisors (1).

36801823 is an equidigital number, since it uses as much as digits as its factorization.

36801823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 36801823 is about 6066.4506097058. The cubic root of 36801823 is about 332.6261921370.

The spelling of 36801823 in words is "thirty-six million, eight hundred one thousand, eight hundred twenty-three".