900223218043 has 2 divisors, whose sum is σ = 900223218044. Its totient is φ = 900223218042.

The previous prime is 900223218007. The next prime is 900223218047. The reversal of 900223218043 is 340812322009.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900223218043 is a prime.

It is not a weakly prime, because it can be changed into another prime (900223218047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450111609021 + 450111609022.

It is an arithmetic number, because the mean of its divisors is an integer number (450111609022).

Almost surely, 2^900223218043 is an apocalyptic number.

900223218043 is a deficient number, since it is larger than the sum of its proper divisors (1).

900223218043 is an equidigital number, since it uses as much as digits as its factorization.

900223218043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 900223218043 in words is "nine hundred billion, two hundred twenty-three million, two hundred eighteen thousand, forty-three".