1000542023 has 6 divisors (see below), whose sum is σ = 1083427344. Its totient is φ = 923577096.

The previous prime is 1000542013. The next prime is 1000542077. The reversal of 1000542023 is 3202450001.

It is not a de Polignac number, because 1000542023 - 2¹⁴ = 1000525639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000541992 and 1000542010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000542013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2960015 + ... + 2960352.

It is an arithmetic number, because the mean of its divisors is an integer number (180571224).

Almost surely, 2^1000542023 is an apocalyptic number.

1000542023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1000542023 is a deficient number, since it is larger than the sum of its proper divisors (82885321).

1000542023 is an equidigital number, since it uses as much as digits as its factorization.

1000542023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920393 (or 5920380 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000542023 is about 31631.3455768167. The cubic root of 1000542023 is about 1000.1806416999.

Adding to 1000542023 its reverse (3202450001), we get a palindrome (4202992024).

The spelling of 1000542023 in words is "one billion, five hundred forty-two thousand, twenty-three".