234145663 has 2 divisors, whose sum is σ = 234145664. Its totient is φ = 234145662.

The previous prime is 234145649. The next prime is 234145669. The reversal of 234145663 is 366541432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234145663 - 2⁵ = 234145631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234145669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117072831 + 117072832.

It is an arithmetic number, because the mean of its divisors is an integer number (117072832).

Almost surely, 2^234145663 is an apocalyptic number.

234145663 is a deficient number, since it is larger than the sum of its proper divisors (1).

234145663 is an equidigital number, since it uses as much as digits as its factorization.

234145663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 234145663 is about 15301.8189441648. The cubic root of 234145663 is about 616.3518529800.

The spelling of 234145663 in words is "two hundred thirty-four million, one hundred forty-five thousand, six hundred sixty-three".