1040312023 has 4 divisors (see below), whose sum is σ = 1049856280. Its totient is φ = 1030767768.

The previous prime is 1040311999. The next prime is 1040312047. The reversal of 1040312023 is 3202130401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1040311999) and next prime (1040312047).

It is a cyclic number.

It is not a de Polignac number, because 1040312023 - 2¹⁷ = 1040180951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040311988 and 1040312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040318023) 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 3 ways as a sum of consecutive naturals, for example, 4771965 + ... + 4772182.

It is an arithmetic number, because the mean of its divisors is an integer number (262464070).

Almost surely, 2^1040312023 is an apocalyptic number.

1040312023 is a deficient number, since it is larger than the sum of its proper divisors (9544257).

1040312023 is an equidigital number, since it uses as much as digits as its factorization.

1040312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9544256.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1040312023 is about 32253.8683416424. The cubic root of 1040312023 is about 1013.2607170980.

Adding to 1040312023 its reverse (3202130401), we get a palindrome (4242442424).

The spelling of 1040312023 in words is "one billion, forty million, three hundred twelve thousand, twenty-three".