234409663 has 2 divisors, whose sum is σ = 234409664. Its totient is φ = 234409662.

The previous prime is 234409627. The next prime is 234409711. The reversal of 234409663 is 366904432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234409663 - 2²¹ = 232312511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234409363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117204831 + 117204832.

It is an arithmetic number, because the mean of its divisors is an integer number (117204832).

Almost surely, 2^234409663 is an apocalyptic number.

234409663 is a deficient number, since it is larger than the sum of its proper divisors (1).

234409663 is an equidigital number, since it uses as much as digits as its factorization.

234409663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 234409663 is about 15310.4429393796. The cubic root of 234409663 is about 616.5834122164.

The spelling of 234409663 in words is "two hundred thirty-four million, four hundred nine thousand, six hundred sixty-three".