1040530436523 has 24 divisors (see below), whose sum is σ = 1582800882000. Its totient is φ = 656883100224.

The previous prime is 1040530436501. The next prime is 1040530436567. The reversal of 1040530436523 is 3256340350401.

1040530436523 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 530 + 43 + 65 + 23 = 666.

1040530436523 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040530436523 - 2¹² = 1040530432427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040530436423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977548 + ... + 1742601.

It is an arithmetic number, because the mean of its divisors is an integer number (65950036750).

Almost surely, 2^{1040530436523} is an apocalyptic number.

1040530436523 is a deficient number, since it is larger than the sum of its proper divisors (542270445477).

1040530436523 is a wasteful number, since it uses less digits than its factorization.

1040530436523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722411 (or 2722408 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 1040530436523 its reverse (3256340350401), we get a palindrome (4296870786924).

The spelling of 1040530436523 in words is "one trillion, forty billion, five hundred thirty million, four hundred thirty-six thousand, five hundred twenty-three".