995403823 has 2 divisors, whose sum is σ = 995403824. Its totient is φ = 995403822.

The previous prime is 995403763. The next prime is 995403911. The reversal of 995403823 is 328304599.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995403823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 995403823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995403623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497701911 + 497701912.

It is an arithmetic number, because the mean of its divisors is an integer number (497701912).

Almost surely, 2^995403823 is an apocalyptic number.

995403823 is a deficient number, since it is larger than the sum of its proper divisors (1).

995403823 is an equidigital number, since it uses as much as digits as its factorization.

995403823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 995403823 is about 31550.0209667125. The cubic root of 995403823 is about 998.4655877834.

The spelling of 995403823 in words is "nine hundred ninety-five million, four hundred three thousand, eight hundred twenty-three".