1012302005523 has 16 divisors (see below), whose sum is σ = 1367319360000. Its totient is φ = 666082553760.

The previous prime is 1012302005509. The next prime is 1012302005551. The reversal of 1012302005523 is 3255002032101.

It is a happy number.

It is not a de Polignac number, because 1012302005523 - 2¹⁸ = 1012301743379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012302005493 and 1012302005502.

It is not an unprimeable number, because it can be changed into a prime (1012302005563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125373 + ... + 1428398.

It is an arithmetic number, because the mean of its divisors is an integer number (85457460000).

Almost surely, 2^{1012302005523} is an apocalyptic number.

1012302005523 is a deficient number, since it is larger than the sum of its proper divisors (355017354477).

1012302005523 is a wasteful number, since it uses less digits than its factorization.

1012302005523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556602.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 1012302005523 its reverse (3255002032101), we get a palindrome (4267304037624).

The spelling of 1012302005523 in words is "one trillion, twelve billion, three hundred two million, five thousand, five hundred twenty-three".