1315423452 has 48 divisors (see below), whose sum is σ = 3660314112. Its totient is φ = 359494080.

The previous prime is 1315423423. The next prime is 1315423457. The reversal of 1315423452 is 2543245131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315423457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338499 + ... + 342362.

It is an arithmetic number, because the mean of its divisors is an integer number (76256544).

Almost surely, 2^1315423452 is an apocalyptic number.

1315423452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315423452 is an abundant number, since it is smaller than the sum of its proper divisors (2344890660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315423452 is a wasteful number, since it uses less digits than its factorization.

1315423452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680898 (or 680896 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1315423452 is about 36268.7668938441. The cubic root of 1315423452 is about 1095.6920909869.

Adding to 1315423452 its reverse (2543245131), we get a palindrome (3858668583).

The spelling of 1315423452 in words is "one billion, three hundred fifteen million, four hundred twenty-three thousand, four hundred fifty-two".