233434453997 has 2 divisors, whose sum is σ = 233434453998. Its totient is φ = 233434453996.

The previous prime is 233434453961. The next prime is 233434454021. The reversal of 233434453997 is 799354434332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221023157161 + 12411296836 = 470131^2 + 111406^2 .

It is a cyclic number.

It is not a de Polignac number, because 233434453997 - 2³² = 229139486701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233434453907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116717226998 + 116717226999.

It is an arithmetic number, because the mean of its divisors is an integer number (116717226999).

Almost surely, 2^233434453997 is an apocalyptic number.

It is an amenable number.

233434453997 is a deficient number, since it is larger than the sum of its proper divisors (1).

233434453997 is an equidigital number, since it uses as much as digits as its factorization.

233434453997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 56.

The spelling of 233434453997 in words is "two hundred thirty-three billion, four hundred thirty-four million, four hundred fifty-three thousand, nine hundred ninety-seven".