2009072623 has 2 divisors, whose sum is σ = 2009072624. Its totient is φ = 2009072622.

The previous prime is 2009072491. The next prime is 2009072627. The reversal of 2009072623 is 3262709002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2009072623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009072627) 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, 1004536311 + 1004536312.

It is an arithmetic number, because the mean of its divisors is an integer number (1004536312).

Almost surely, 2^2009072623 is an apocalyptic number.

2009072623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009072623 is an equidigital number, since it uses as much as digits as its factorization.

2009072623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2009072623 is about 44822.6797837880. The cubic root of 2009072623 is about 1261.8233078257.

The spelling of 2009072623 in words is "two billion, nine million, seventy-two thousand, six hundred twenty-three".