4042515023 has 2 divisors, whose sum is σ = 4042515024. Its totient is φ = 4042515022.

The previous prime is 4042515019. The next prime is 4042515049. The reversal of 4042515023 is 3205152404.

It is a happy number.

It is an a-pointer prime, because the next prime (4042515049) can be obtained adding 4042515023 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4042515023 - 2² = 4042515019 is a prime.

It is a super-2 number, since 2×4042515023² = 32683855422361381058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4042514983 and 4042515001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042511023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021257511 + 2021257512.

It is an arithmetic number, because the mean of its divisors is an integer number (2021257512).

Almost surely, 2^4042515023 is an apocalyptic number.

4042515023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042515023 is an equidigital number, since it uses as much as digits as its factorization.

4042515023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4042515023 is about 63580.7755772136. The cubic root of 4042515023 is about 1593.0052759946.

Adding to 4042515023 its reverse (3205152404), we get a palindrome (7247667427).

The spelling of 4042515023 in words is "four billion, forty-two million, five hundred fifteen thousand, twenty-three".