1012320544523 has 8 divisors (see below), whose sum is σ = 1015169683968. Its totient is φ = 1009472478784.

The previous prime is 1012320544519. The next prime is 1012320544531. The reversal of 1012320544523 is 3254450232101.

1012320544523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012320544523 - 2² = 1012320544519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012320544523.

It is not an unprimeable number, because it can be changed into a prime (1012320544513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638911 + ... + 2170407.

It is an arithmetic number, because the mean of its divisors is an integer number (126896210496).

Almost surely, 2^{1012320544523} is an apocalyptic number.

1012320544523 is a deficient number, since it is larger than the sum of its proper divisors (2849139445).

1012320544523 is an equidigital number, since it uses as much as digits as its factorization.

1012320544523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536853.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1012320544523 its reverse (3254450232101), we get a palindrome (4266770776624).

The spelling of 1012320544523 in words is "one trillion, twelve billion, three hundred twenty million, five hundred forty-four thousand, five hundred twenty-three".