2140423430 has 16 divisors (see below), whose sum is σ = 3890169504. Its totient is φ = 847856640.

The previous prime is 2140423429. The next prime is 2140423451. The reversal of 2140423430 is 343240412.

It is a junction number, because it is equal to n+sod(n) for n = 2140423396 and 2140423405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038011 + ... + 1040070.

It is an arithmetic number, because the mean of its divisors is an integer number (243135594).

Almost surely, 2^2140423430 is an apocalyptic number.

2140423430 is a deficient number, since it is larger than the sum of its proper divisors (1749746074).

2140423430 is a wasteful number, since it uses less digits than its factorization.

2140423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078191.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2140423430 is about 46264.7104173365. The cubic root of 2140423430 is about 1288.7437302036.

Adding to 2140423430 its reverse (343240412), we get a palindrome (2483663842).

The spelling of 2140423430 in words is "two billion, one hundred forty million, four hundred twenty-three thousand, four hundred thirty".