2042423553 has 4 divisors (see below), whose sum is σ = 2723231408. Its totient is φ = 1361615700.

The previous prime is 2042423549. The next prime is 2042423557. The reversal of 2042423553 is 3553242402.

2042423553 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2042423549) and next prime (2042423557).

It is not a de Polignac number, because 2042423553 - 2² = 2042423549 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 2042423553.

It is not an unprimeable number, because it can be changed into a prime (2042423557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340403923 + ... + 340403928.

It is an arithmetic number, because the mean of its divisors is an integer number (680807852).

Almost surely, 2^2042423553 is an apocalyptic number.

It is an amenable number.

2042423553 is a deficient number, since it is larger than the sum of its proper divisors (680807855).

2042423553 is an equidigital number, since it uses as much as digits as its factorization.

2042423553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680807854.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2042423553 is about 45193.1803815576. The cubic root of 2042423553 is about 1268.7671821530.

Adding to 2042423553 its reverse (3553242402), we get a palindrome (5595665955).

The spelling of 2042423553 in words is "two billion, forty-two million, four hundred twenty-three thousand, five hundred fifty-three".