2042043123 has 8 divisors (see below), whose sum is σ = 2724838336. Its totient is φ = 1360305000.

The previous prime is 2042043121. The next prime is 2042043131. The reversal of 2042043123 is 3213402402.

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

It is not a de Polignac number, because 2042043123 - 2¹ = 2042043121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042043123.

It is not an unprimeable number, because it can be changed into a prime (2042043121) 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, 259753 + ... + 267498.

It is an arithmetic number, because the mean of its divisors is an integer number (340604792).

Almost surely, 2^2042043123 is an apocalyptic number.

2042043123 is a deficient number, since it is larger than the sum of its proper divisors (682795213).

2042043123 is a wasteful number, since it uses less digits than its factorization.

2042043123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528545.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2042043123 is about 45188.9712540571. The cubic root of 2042043123 is about 1268.6884020407.

Adding to 2042043123 its reverse (3213402402), we get a palindrome (5255445525).

The spelling of 2042043123 in words is "two billion, forty-two million, forty-three thousand, one hundred twenty-three".