234203197 has 2 divisors, whose sum is σ = 234203198. Its totient is φ = 234203196.

The previous prime is 234203183. The next prime is 234203201. The reversal of 234203197 is 791302432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218034756 + 16168441 = 14766^2 + 4021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234203197 is a prime.

It is a super-2 number, since 2×234203197² = 109702274970041618, which contains 22 as substring.

It is equal to p_12860572 and since 234203197 and 12860572 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234203107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117101598 + 117101599.

It is an arithmetic number, because the mean of its divisors is an integer number (117101599).

Almost surely, 2^234203197 is an apocalyptic number.

It is an amenable number.

234203197 is a deficient number, since it is larger than the sum of its proper divisors (1).

234203197 is an equidigital number, since it uses as much as digits as its factorization.

234203197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 234203197 is about 15303.6988012702. The cubic root of 234203197 is about 616.4023319325.

The spelling of 234203197 in words is "two hundred thirty-four million, two hundred three thousand, one hundred ninety-seven".