1513712323 has 2 divisors, whose sum is σ = 1513712324. Its totient is φ = 1513712322.

The previous prime is 1513712297. The next prime is 1513712339. The reversal of 1513712323 is 3232173151.

It is a strong prime.

It is an emirp because it is prime and its reverse (3232173151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513712323 - 2²⁵ = 1480157891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513712291 and 1513712300.

It is not a weakly prime, because it can be changed into another prime (1513712923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756856161 + 756856162.

It is an arithmetic number, because the mean of its divisors is an integer number (756856162).

Almost surely, 2^1513712323 is an apocalyptic number.

1513712323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513712323 is an equidigital number, since it uses as much as digits as its factorization.

1513712323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 1513712323 is about 38906.4560580889. The cubic root of 1513712323 is about 1148.1918208181.

Adding to 1513712323 its reverse (3232173151), we get a palindrome (4745885474).

The spelling of 1513712323 in words is "one billion, five hundred thirteen million, seven hundred twelve thousand, three hundred twenty-three".