945808223 has 2 divisors, whose sum is σ = 945808224. Its totient is φ = 945808222.

The previous prime is 945808219. The next prime is 945808261. The reversal of 945808223 is 322808549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945808223 - 2² = 945808219 is a prime.

It is equal to p_48228557 and since 945808223 and 48228557 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472904111 + 472904112.

It is an arithmetic number, because the mean of its divisors is an integer number (472904112).

Almost surely, 2^945808223 is an apocalyptic number.

945808223 is a deficient number, since it is larger than the sum of its proper divisors (1).

945808223 is an equidigital number, since it uses as much as digits as its factorization.

945808223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 945808223 is about 30753.9952363916. The cubic root of 945808223 is about 981.5995753512.

The spelling of 945808223 in words is "nine hundred forty-five million, eight hundred eight thousand, two hundred twenty-three".