2142030123 has 32 divisors (see below), whose sum is σ = 3252971520. Its totient is φ = 1392431040.

The previous prime is 2142030097. The next prime is 2142030131. The reversal of 2142030123 is 3210302412.

It is not a de Polignac number, because 2142030123 - 2⁸ = 2142029867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142030096 and 2142030105.

It is not an unprimeable number, because it can be changed into a prime (2142030823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353586 + ... + 359592.

It is an arithmetic number, because the mean of its divisors is an integer number (101655360).

Almost surely, 2^2142030123 is an apocalyptic number.

2142030123 is a deficient number, since it is larger than the sum of its proper divisors (1110941397).

2142030123 is a wasteful number, since it uses less digits than its factorization.

2142030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344 (or 6338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2142030123 is about 46282.0712911598. The cubic root of 2142030123 is about 1289.0661115324.

Adding to 2142030123 its reverse (3210302412), we get a palindrome (5352332535).

The spelling of 2142030123 in words is "two billion, one hundred forty-two million, thirty thousand, one hundred twenty-three".