1012331023 has 16 divisors (see below), whose sum is σ = 1117670400. Its totient is φ = 909276480.

The previous prime is 1012330961. The next prime is 1012331081. The reversal of 1012331023 is 3201332101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012331023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012330988 and 1012331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012331083) 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 15 ways as a sum of consecutive naturals, for example, 339483 + ... + 342451.

It is an arithmetic number, because the mean of its divisors is an integer number (69854400).

Almost surely, 2^1012331023 is an apocalyptic number.

1012331023 is a deficient number, since it is larger than the sum of its proper divisors (105339377).

1012331023 is a wasteful number, since it uses less digits than its factorization.

1012331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1012331023 is about 31817.1498252122. The cubic root of 1012331023 is about 1004.0935608936.

Adding to 1012331023 its reverse (3201332101), we get a palindrome (4213663124).

The spelling of 1012331023 in words is "one billion, twelve million, three hundred thirty-one thousand, twenty-three".