2122431423 has 24 divisors (see below), whose sum is σ = 3465198720. Its totient is φ = 1148983920.

The previous prime is 2122431413. The next prime is 2122431431. The reversal of 2122431423 is 3241342212.

It is a happy number.

It is not a de Polignac number, because 2122431423 - 2⁵ = 2122431391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122431393 and 2122431402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122431413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377163 + ... + 382748.

It is an arithmetic number, because the mean of its divisors is an integer number (144383280).

Almost surely, 2^2122431423 is an apocalyptic number.

2122431423 is a deficient number, since it is larger than the sum of its proper divisors (1342767297).

2122431423 is a wasteful number, since it uses less digits than its factorization.

2122431423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759947 (or 759940 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 2122431423 is about 46069.8537332169. The cubic root of 2122431423 is about 1285.1225837525.

Adding to 2122431423 its reverse (3241342212), we get a palindrome (5363773635).

The spelling of 2122431423 in words is "two billion, one hundred twenty-two million, four hundred thirty-one thousand, four hundred twenty-three".