1513244323 has 16 divisors (see below), whose sum is σ = 1578737664. Its totient is φ = 1448873280.

The previous prime is 1513244311. The next prime is 1513244333. The reversal of 1513244323 is 3234423151.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1513244323 - 2²¹ = 1511147171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513244291 and 1513244300.

It is not an unprimeable number, because it can be changed into a prime (1513244333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2492686 + ... + 2493292.

It is an arithmetic number, because the mean of its divisors is an integer number (98671104).

Almost surely, 2^1513244323 is an apocalyptic number.

1513244323 is a deficient number, since it is larger than the sum of its proper divisors (65493341).

1513244323 is a wasteful number, since it uses less digits than its factorization.

1513244323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its digits is 8640, while the sum is 28.

The square root of 1513244323 is about 38900.4411671642. The cubic root of 1513244323 is about 1148.0734783933.

Adding to 1513244323 its reverse (3234423151), we get a palindrome (4747667474).

The spelling of 1513244323 in words is "one billion, five hundred thirteen million, two hundred forty-four thousand, three hundred twenty-three".