1325343523 has 12 divisors (see below), whose sum is σ = 1567003872. Its totient is φ = 1117383120.

The previous prime is 1325343497. The next prime is 1325343557. The reversal of 1325343523 is 3253435231.

It is a de Polignac number, because none of the positive numbers 2^k-1325343523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325343023) 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, 218715 + ... + 224692.

It is an arithmetic number, because the mean of its divisors is an integer number (130583656).

Almost surely, 2^1325343523 is an apocalyptic number.

1325343523 is a deficient number, since it is larger than the sum of its proper divisors (241660349).

1325343523 is an equidigital number, since it uses as much as digits as its factorization.

1325343523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443482 (or 443475 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 1325343523 is about 36405.2677919007. The cubic root of 1325343523 is about 1098.4395292209.

Adding to 1325343523 its reverse (3253435231), we get a palindrome (4578778754).

The spelling of 1325343523 in words is "one billion, three hundred twenty-five million, three hundred forty-three thousand, five hundred twenty-three".