999070223 has 2 divisors, whose sum is σ = 999070224. Its totient is φ = 999070222.

The previous prime is 999070207. The next prime is 999070231. The reversal of 999070223 is 322070999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999070223 - 2⁴ = 999070207 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 (999070823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499535111 + 499535112.

It is an arithmetic number, because the mean of its divisors is an integer number (499535112).

Almost surely, 2^999070223 is an apocalyptic number.

999070223 is a deficient number, since it is larger than the sum of its proper divisors (1).

999070223 is an equidigital number, since it uses as much as digits as its factorization.

999070223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 999070223 is about 31608.0721177360. The cubic root of 999070223 is about 999.6899782298.

The spelling of 999070223 in words is "nine hundred ninety-nine million, seventy thousand, two hundred twenty-three".