1012523443 has 2 divisors, whose sum is σ = 1012523444. Its totient is φ = 1012523442.

The previous prime is 1012523419. The next prime is 1012523453. The reversal of 1012523443 is 3443252101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012523443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012523453) 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 as a sum of consecutive naturals, namely, 506261721 + 506261722.

It is an arithmetic number, because the mean of its divisors is an integer number (506261722).

Almost surely, 2^1012523443 is an apocalyptic number.

1012523443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012523443 is an equidigital number, since it uses as much as digits as its factorization.

1012523443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1012523443 is about 31820.1735224684. The cubic root of 1012523443 is about 1004.1571749482.

Adding to 1012523443 its reverse (3443252101), we get a palindrome (4455775544).

The spelling of 1012523443 in words is "one billion, twelve million, five hundred twenty-three thousand, four hundred forty-three".