234865993 has 2 divisors, whose sum is σ = 234865994. Its totient is φ = 234865992.

The previous prime is 234865913. The next prime is 234865997. The reversal of 234865993 is 399568432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161112249 + 73753744 = 12693^2 + 8588^2 .

It is a cyclic number.

It is not a de Polignac number, because 234865993 - 2⁹ = 234865481 is a prime.

It is not a weakly prime, because it can be changed into another prime (234865997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117432996 + 117432997.

It is an arithmetic number, because the mean of its divisors is an integer number (117432997).

Almost surely, 2^234865993 is an apocalyptic number.

It is an amenable number.

234865993 is a deficient number, since it is larger than the sum of its proper divisors (1).

234865993 is an equidigital number, since it uses as much as digits as its factorization.

234865993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 49.

The square root of 234865993 is about 15325.3382670661. The cubic root of 234865993 is about 616.9832579710.

The spelling of 234865993 in words is "two hundred thirty-four million, eight hundred sixty-five thousand, nine hundred ninety-three".