234130420991 has 2 divisors, whose sum is σ = 234130420992. Its totient is φ = 234130420990.

The previous prime is 234130420969. The next prime is 234130421009. The reversal of 234130420991 is 199024031432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234130420991 - 2²⁶ = 234063312127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234130410991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117065210495 + 117065210496.

It is an arithmetic number, because the mean of its divisors is an integer number (117065210496).

Almost surely, 2^234130420991 is an apocalyptic number.

234130420991 is a deficient number, since it is larger than the sum of its proper divisors (1).

234130420991 is an equidigital number, since it uses as much as digits as its factorization.

234130420991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 234130420991 in words is "two hundred thirty-four billion, one hundred thirty million, four hundred twenty thousand, nine hundred ninety-one".