2042123630 has 16 divisors (see below), whose sum is σ = 3703884624. Its totient is φ = 810613440.

The previous prime is 2042123627. The next prime is 2042123639. The reversal of 2042123630 is 363212402.

It is a junction number, because it is equal to n+sod(n) for n = 2042123596 and 2042123605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042123639) 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, 778127 + ... + 780746.

It is an arithmetic number, because the mean of its divisors is an integer number (231492789).

Almost surely, 2^2042123630 is an apocalyptic number.

2042123630 is a deficient number, since it is larger than the sum of its proper divisors (1661760994).

2042123630 is a wasteful number, since it uses less digits than its factorization.

2042123630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559011.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2042123630 is about 45189.8620267865. The cubic root of 2042123630 is about 1268.7050743878.

The spelling of 2042123630 in words is "two billion, forty-two million, one hundred twenty-three thousand, six hundred thirty".