2002423142 has 16 divisors (see below), whose sum is σ = 3046438512. Its totient is φ = 986958720.

The previous prime is 2002423123. The next prime is 2002423147. The reversal of 2002423142 is 2413242002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002423147) 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, 473417 + ... + 477627.

It is an arithmetic number, because the mean of its divisors is an integer number (190402407).

Almost surely, 2^2002423142 is an apocalyptic number.

2002423142 is a deficient number, since it is larger than the sum of its proper divisors (1044015370).

2002423142 is a wasteful number, since it uses less digits than its factorization.

2002423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2002423142 is about 44748.4429002843. The cubic root of 2002423142 is about 1260.4296724748.

Adding to 2002423142 its reverse (2413242002), we get a palindrome (4415665144).

The spelling of 2002423142 in words is "two billion, two million, four hundred twenty-three thousand, one hundred forty-two".