234487973 has 2 divisors, whose sum is σ = 234487974. Its totient is φ = 234487972.

The previous prime is 234487951. The next prime is 234487991. The reversal of 234487973 is 379784432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234487969 + 4 = 15313^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 234487973 - 2⁸ = 234487717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234487943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117243986 + 117243987.

It is an arithmetic number, because the mean of its divisors is an integer number (117243987).

Almost surely, 2^234487973 is an apocalyptic number.

It is an amenable number.

234487973 is a deficient number, since it is larger than the sum of its proper divisors (1).

234487973 is an equidigital number, since it uses as much as digits as its factorization.

234487973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 234487973 is about 15313.0001306080. Note that the first 3 decimals coincide. The cubic root of 234487973 is about 616.6520659152.

The spelling of 234487973 in words is "two hundred thirty-four million, four hundred eighty-seven thousand, nine hundred seventy-three".