2543235623 has 2 divisors, whose sum is σ = 2543235624. Its totient is φ = 2543235622.

The previous prime is 2543235577. The next prime is 2543235631. The reversal of 2543235623 is 3265323452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543235623 - 2¹⁰ = 2543234599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543235223) 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, 1271617811 + 1271617812.

It is an arithmetic number, because the mean of its divisors is an integer number (1271617812).

Almost surely, 2^2543235623 is an apocalyptic number.

2543235623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543235623 is an equidigital number, since it uses as much as digits as its factorization.

2543235623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 35.

The square root of 2543235623 is about 50430.5029025093. The cubic root of 2543235623 is about 1364.9881026035.

The spelling of 2543235623 in words is "two billion, five hundred forty-three million, two hundred thirty-five thousand, six hundred twenty-three".