305373223 has 2 divisors, whose sum is σ = 305373224. Its totient is φ = 305373222.

The previous prime is 305373191. The next prime is 305373239. The reversal of 305373223 is 322373503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305373223 - 2⁵ = 305373191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305373191 and 305373200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305373293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152686611 + 152686612.

It is an arithmetic number, because the mean of its divisors is an integer number (152686612).

Almost surely, 2^305373223 is an apocalyptic number.

305373223 is a deficient number, since it is larger than the sum of its proper divisors (1).

305373223 is an equidigital number, since it uses as much as digits as its factorization.

305373223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 28.

The square root of 305373223 is about 17474.9312731123. The cubic root of 305373223 is about 673.4060041216.

The spelling of 305373223 in words is "three hundred five million, three hundred seventy-three thousand, two hundred twenty-three".