235423543 has 2 divisors, whose sum is σ = 235423544. Its totient is φ = 235423542.

The previous prime is 235423499. The next prime is 235423549. The reversal of 235423543 is 345324532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235423543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235423549) 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, 117711771 + 117711772.

It is an arithmetic number, because the mean of its divisors is an integer number (117711772).

Almost surely, 2^235423543 is an apocalyptic number.

235423543 is a deficient number, since it is larger than the sum of its proper divisors (1).

235423543 is an equidigital number, since it uses as much as digits as its factorization.

235423543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 31.

The square root of 235423543 is about 15343.5179473288. The cubic root of 235423543 is about 617.4710924198.

The spelling of 235423543 in words is "two hundred thirty-five million, four hundred twenty-three thousand, five hundred forty-three".