12209000423 has 2 divisors, whose sum is σ = 12209000424. Its totient is φ = 12209000422.

The previous prime is 12209000399. The next prime is 12209000477. The reversal of 12209000423 is 32400090221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12209000423 - 2¹⁸ = 12208738279 is a prime.

It is a congruent number.

It is a weakly prime.

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, 6104500211 + 6104500212.

It is an arithmetic number, because the mean of its divisors is an integer number (6104500212).

Almost surely, 2^12209000423 is an apocalyptic number.

12209000423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12209000423 is an equidigital number, since it uses as much as digits as its factorization.

12209000423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12209000423 its reverse (32400090221), we get a palindrome (44609090644).

The spelling of 12209000423 in words is "twelve billion, two hundred nine million, four hundred twenty-three", and thus it is an aban number.