2209037423 has 6 divisors (see below), whose sum is σ = 2222876376. Its totient is φ = 2195205912.

The previous prime is 2209037419. The next prime is 2209037449. The reversal of 2209037423 is 3247309022.

It is a happy number.

It is not a de Polignac number, because 2209037423 - 2² = 2209037419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2209037423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209037473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605561 + ... + 609197.

It is an arithmetic number, because the mean of its divisors is an integer number (370479396).

Almost surely, 2^2209037423 is an apocalyptic number.

2209037423 is a deficient number, since it is larger than the sum of its proper divisors (13838953).

2209037423 is an frugal number, since it uses more digits than its factorization.

2209037423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441 (or 3804 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 2209037423 is about 47000.3981153352. The cubic root of 2209037423 is about 1302.3699221339.

The spelling of 2209037423 in words is "two billion, two hundred nine million, thirty-seven thousand, four hundred twenty-three".