1641465223 has 2 divisors, whose sum is σ = 1641465224. Its totient is φ = 1641465222.

The previous prime is 1641465191. The next prime is 1641465229. The reversal of 1641465223 is 3225641461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1641465223 - 2⁵ = 1641465191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641465229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820732611 + 820732612.

It is an arithmetic number, because the mean of its divisors is an integer number (820732612).

Almost surely, 2^1641465223 is an apocalyptic number.

1641465223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641465223 is an equidigital number, since it uses as much as digits as its factorization.

1641465223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 1641465223 is about 40514.9999753178. Note that the first 4 decimals coincide. The cubic root of 1641465223 is about 1179.6248024312.

The spelling of 1641465223 in words is "one billion, six hundred forty-one million, four hundred sixty-five thousand, two hundred twenty-three".