1009197223 has 2 divisors, whose sum is σ = 1009197224. Its totient is φ = 1009197222.

The previous prime is 1009197209. The next prime is 1009197227. The reversal of 1009197223 is 3227919001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009197223 - 2⁵ = 1009197191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009197227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504598611 + 504598612.

It is an arithmetic number, because the mean of its divisors is an integer number (504598612).

Almost surely, 2^1009197223 is an apocalyptic number.

1009197223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009197223 is an equidigital number, since it uses as much as digits as its factorization.

1009197223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1009197223 is about 31767.8646276390. The cubic root of 1009197223 is about 1003.0563899633.

The spelling of 1009197223 in words is "one billion, nine million, one hundred ninety-seven thousand, two hundred twenty-three".