12303101453523 has 32 divisors (see below), whose sum is σ = 17512736102400. Its totient is φ = 7666288920576.

The previous prime is 12303101453521. The next prime is 12303101453603. The reversal of 12303101453523 is 32535410130321.

It is not a de Polignac number, because 12303101453523 - 2¹ = 12303101453521 is a prime.

It is a super-2 number, since 2×12303101453523² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12303101453521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11105458 + ... + 12162951.

It is an arithmetic number, because the mean of its divisors is an integer number (547273003200).

Almost surely, 2^{12303101453523} is an apocalyptic number.

12303101453523 is a deficient number, since it is larger than the sum of its proper divisors (5209634648877).

12303101453523 is a wasteful number, since it uses less digits than its factorization.

12303101453523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23268611.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 12303101453523 its reverse (32535410130321), we get a palindrome (44838511583844).

The spelling of 12303101453523 in words is "twelve trillion, three hundred three billion, one hundred one million, four hundred fifty-three thousand, five hundred twenty-three".