1042402023 has 24 divisors (see below), whose sum is σ = 1627870608. Its totient is φ = 638963712.

The previous prime is 1042402019. The next prime is 1042402033. The reversal of 1042402023 is 3202042401.

It is not a de Polignac number, because 1042402023 - 2² = 1042402019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042401987 and 1042402005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042402033) 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 23 ways as a sum of consecutive naturals, for example, 12736 + ... + 47402.

It is an arithmetic number, because the mean of its divisors is an integer number (67827942).

Almost surely, 2^1042402023 is an apocalyptic number.

1042402023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042402023 is a deficient number, since it is larger than the sum of its proper divisors (585468585).

1042402023 is a wasteful number, since it uses less digits than its factorization.

1042402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34943 (or 34940 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1042402023 is about 32286.2512998954. The cubic root of 1042402023 is about 1013.9388143934.

Adding to 1042402023 its reverse (3202042401), we get a palindrome (4244444424).

The spelling of 1042402023 in words is "one billion, forty-two million, four hundred two thousand, twenty-three".