234623663 has 2 divisors, whose sum is σ = 234623664. Its totient is φ = 234623662.

The previous prime is 234623617. The next prime is 234623677. The reversal of 234623663 is 366326432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234623663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234623563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117311831 + 117311832.

It is an arithmetic number, because the mean of its divisors is an integer number (117311832).

Almost surely, 2^234623663 is an apocalyptic number.

234623663 is a deficient number, since it is larger than the sum of its proper divisors (1).

234623663 is an equidigital number, since it uses as much as digits as its factorization.

234623663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 35.

The square root of 234623663 is about 15317.4300390111. The cubic root of 234623663 is about 616.7709879837.

The spelling of 234623663 in words is "two hundred thirty-four million, six hundred twenty-three thousand, six hundred sixty-three".