2142042423 has 8 divisors (see below), whose sum is σ = 2856299136. Its totient is φ = 1427907000.

The previous prime is 2142042379. The next prime is 2142042473. The reversal of 2142042423 is 3242402412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142042423 - 2⁶ = 2142042359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142042393 and 2142042402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142042473) 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, 25648 + ... + 70298.

It is an arithmetic number, because the mean of its divisors is an integer number (357037392).

Almost surely, 2^2142042423 is an apocalyptic number.

2142042423 is a deficient number, since it is larger than the sum of its proper divisors (714256713).

2142042423 is a wasteful number, since it uses less digits than its factorization.

2142042423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60645.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2142042423 is about 46282.2041717980. The cubic root of 2142042423 is about 1289.0685788931.

Adding to 2142042423 its reverse (3242402412), we get a palindrome (5384444835).

The spelling of 2142042423 in words is "two billion, one hundred forty-two million, forty-two thousand, four hundred twenty-three".