234203423 has 2 divisors, whose sum is σ = 234203424. Its totient is φ = 234203422.

The previous prime is 234203383. The next prime is 234203447. The reversal of 234203423 is 324302432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234203423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234203483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117101711 + 117101712.

It is an arithmetic number, because the mean of its divisors is an integer number (117101712).

Almost surely, 2^234203423 is an apocalyptic number.

234203423 is a deficient number, since it is larger than the sum of its proper divisors (1).

234203423 is an equidigital number, since it uses as much as digits as its factorization.

234203423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 234203423 is about 15303.7061851043. The cubic root of 234203423 is about 616.4025302031.

Adding to 234203423 its reverse (324302432), we get a palindrome (558505855).

Subtracting 234203423 from its reverse (324302432), we obtain a palindrome (90099009).

The spelling of 234203423 in words is "two hundred thirty-four million, two hundred three thousand, four hundred twenty-three".