1940305223 has 2 divisors, whose sum is σ = 1940305224. Its totient is φ = 1940305222.

The previous prime is 1940305189. The next prime is 1940305229. The reversal of 1940305223 is 3225030491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1940305223 - 2¹⁰ = 1940304199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940305229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970152611 + 970152612.

It is an arithmetic number, because the mean of its divisors is an integer number (970152612).

Almost surely, 2^1940305223 is an apocalyptic number.

1940305223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940305223 is an equidigital number, since it uses as much as digits as its factorization.

1940305223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1940305223 is about 44048.8958204403. The cubic root of 1940305223 is about 1247.2591086444.

The spelling of 1940305223 in words is "one billion, nine hundred forty million, three hundred five thousand, two hundred twenty-three".