234801643 has 2 divisors, whose sum is σ = 234801644. Its totient is φ = 234801642.

The previous prime is 234801631. The next prime is 234801709. The reversal of 234801643 is 346108432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234801643 - 2²¹ = 232704491 is a prime.

It is not a weakly prime, because it can be changed into another prime (234801443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117400821 + 117400822.

It is an arithmetic number, because the mean of its divisors is an integer number (117400822).

Almost surely, 2^234801643 is an apocalyptic number.

234801643 is a deficient number, since it is larger than the sum of its proper divisors (1).

234801643 is an equidigital number, since it uses as much as digits as its factorization.

234801643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 234801643 is about 15323.2386589781. The cubic root of 234801643 is about 616.9269045604.

The spelling of 234801643 in words is "two hundred thirty-four million, eight hundred one thousand, six hundred forty-three".