2130123422 has 16 divisors (see below), whose sum is σ = 3736563072. Its totient is φ = 891679320.

The previous prime is 2130123361. The next prime is 2130123427. The reversal of 2130123422 is 2243210312.

It is a junction number, because it is equal to n+sod(n) for n = 2130123394 and 2130123403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130123427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768604 + ... + 1769807.

It is an arithmetic number, because the mean of its divisors is an integer number (233535192).

Almost surely, 2^2130123422 is an apocalyptic number.

2130123422 is a deficient number, since it is larger than the sum of its proper divisors (1606439650).

2130123422 is a wasteful number, since it uses less digits than its factorization.

2130123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538463.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2130123422 is about 46153.2601448695. The cubic root of 2130123422 is about 1286.6732021855.

Adding to 2130123422 its reverse (2243210312), we get a palindrome (4373333734).

The spelling of 2130123422 in words is "two billion, one hundred thirty million, one hundred twenty-three thousand, four hundred twenty-two".