2543023435 has 4 divisors (see below), whose sum is σ = 3051628128. Its totient is φ = 2034418744.

The previous prime is 2543023423. The next prime is 2543023459. The reversal of 2543023435 is 5343203452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2543023435 - 2¹³ = 2543015243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2543023397 and 2543023406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254302339 + ... + 254302348.

It is an arithmetic number, because the mean of its divisors is an integer number (762907032).

Almost surely, 2^2543023435 is an apocalyptic number.

2543023435 is a deficient number, since it is larger than the sum of its proper divisors (508604693).

2543023435 is an equidigital number, since it uses as much as digits as its factorization.

2543023435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508604692.

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

The square root of 2543023435 is about 50428.3990921782. The cubic root of 2543023435 is about 1364.9501401817.

Adding to 2543023435 its reverse (5343203452), we get a palindrome (7886226887).

The spelling of 2543023435 in words is "two billion, five hundred forty-three million, twenty-three thousand, four hundred thirty-five".