2140030123 has 16 divisors (see below), whose sum is σ = 2713317120. Its totient is φ = 1639288800.

The previous prime is 2140030069. The next prime is 2140030171. The reversal of 2140030123 is 3210300412.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140030123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140030097 and 2140030106.

It is not an unprimeable number, because it can be changed into a prime (2140030523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230988 + ... + 240073.

It is an arithmetic number, because the mean of its divisors is an integer number (169582320).

Almost surely, 2^2140030123 is an apocalyptic number.

2140030123 is a deficient number, since it is larger than the sum of its proper divisors (573286997).

2140030123 is a wasteful number, since it uses less digits than its factorization.

2140030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471138.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2140030123 is about 46260.4596064501. The cubic root of 2140030123 is about 1288.6647889728.

Adding to 2140030123 its reverse (3210300412), we get a palindrome (5350330535).

The spelling of 2140030123 in words is "two billion, one hundred forty million, thirty thousand, one hundred twenty-three".