2381642623 has 2 divisors, whose sum is σ = 2381642624. Its totient is φ = 2381642622.

The previous prime is 2381642621. The next prime is 2381642651. The reversal of 2381642623 is 3262461832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2381642623 - 2¹ = 2381642621 is a prime.

Together with 2381642621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2381642621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190821311 + 1190821312.

It is an arithmetic number, because the mean of its divisors is an integer number (1190821312).

Almost surely, 2^2381642623 is an apocalyptic number.

2381642623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381642623 is an equidigital number, since it uses as much as digits as its factorization.

2381642623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 2381642623 is about 48802.0760111699. The cubic root of 2381642623 is about 1335.4435392129.

The spelling of 2381642623 in words is "two billion, three hundred eighty-one million, six hundred forty-two thousand, six hundred twenty-three".