453868823 has 2 divisors, whose sum is σ = 453868824. Its totient is φ = 453868822.

The previous prime is 453868783. The next prime is 453868837. The reversal of 453868823 is 328868354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 453868823 - 2¹⁸ = 453606679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453868843) 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 as a sum of consecutive naturals, namely, 226934411 + 226934412.

It is an arithmetic number, because the mean of its divisors is an integer number (226934412).

Almost surely, 2^453868823 is an apocalyptic number.

453868823 is a deficient number, since it is larger than the sum of its proper divisors (1).

453868823 is an equidigital number, since it uses as much as digits as its factorization.

453868823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 47.

The square root of 453868823 is about 21304.1973094505. The cubic root of 453868823 is about 768.4992543495.

The spelling of 453868823 in words is "four hundred fifty-three million, eight hundred sixty-eight thousand, eight hundred twenty-three".