2047240423 has 2 divisors, whose sum is σ = 2047240424. Its totient is φ = 2047240422.

The previous prime is 2047240421. The next prime is 2047240439. The reversal of 2047240423 is 3240427402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2047240423 - 2¹ = 2047240421 is a prime.

Together with 2047240421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2047240391 and 2047240400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047240421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023620211 + 1023620212.

It is an arithmetic number, because the mean of its divisors is an integer number (1023620212).

Almost surely, 2^2047240423 is an apocalyptic number.

2047240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047240423 is an equidigital number, since it uses as much as digits as its factorization.

2047240423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 2047240423 is about 45246.4409981603. The cubic root of 2047240423 is about 1269.7638230295.

Adding to 2047240423 its reverse (3240427402), we get a palindrome (5287667825).

The spelling of 2047240423 in words is "two billion, forty-seven million, two hundred forty thousand, four hundred twenty-three".