2009227921423 has 2 divisors, whose sum is σ = 2009227921424. Its totient is φ = 2009227921422.

The previous prime is 2009227921403. The next prime is 2009227921429. The reversal of 2009227921423 is 3241297229002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009227921423 - 2⁵ = 2009227921391 is a prime.

It is a super-3 number, since 3×2009227921423³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2009227921423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009227921429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004613960711 + 1004613960712.

It is an arithmetic number, because the mean of its divisors is an integer number (1004613960712).

Almost surely, 2^{2009227921423} is an apocalyptic number.

2009227921423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009227921423 is an equidigital number, since it uses as much as digits as its factorization.

2009227921423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 2009227921423 in words is "two trillion, nine billion, two hundred twenty-seven million, nine hundred twenty-one thousand, four hundred twenty-three".