1315023531423 has 12 divisors (see below), whose sum is σ = 2039628334680. Its totient is φ = 751442017872.

The previous prime is 1315023531421. The next prime is 1315023531439. The reversal of 1315023531423 is 3241353205131.

It is not a de Polignac number, because 1315023531423 - 2¹ = 1315023531421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315023531421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4472869008 + ... + 4472869301.

It is an arithmetic number, because the mean of its divisors is an integer number (169969027890).

Almost surely, 2^{1315023531423} is an apocalyptic number.

1315023531423 is a deficient number, since it is larger than the sum of its proper divisors (724604803257).

1315023531423 is an equidigital number, since it uses as much as digits as its factorization.

1315023531423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945738326 (or 8945738319 counting only the distinct ones).

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

Adding to 1315023531423 its reverse (3241353205131), we get a palindrome (4556376736554).

The spelling of 1315023531423 in words is "one trillion, three hundred fifteen billion, twenty-three million, five hundred thirty-one thousand, four hundred twenty-three".