1513223030323 has 4 divisors (see below), whose sum is σ = 1524268454040. Its totient is φ = 1502177606608.

The previous prime is 1513223030287. The next prime is 1513223030339. The reversal of 1513223030323 is 3230303223151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1513223030323 - 2¹³ = 1513223022131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513223030291 and 1513223030300.

It is not an unprimeable number, because it can be changed into a prime (1513223030623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522711653 + ... + 5522711926.

It is an arithmetic number, because the mean of its divisors is an integer number (381067113510).

Almost surely, 2^{1513223030323} is an apocalyptic number.

1513223030323 is a deficient number, since it is larger than the sum of its proper divisors (11045423717).

1513223030323 is a wasteful number, since it uses less digits than its factorization.

1513223030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11045423716.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 1513223030323 its reverse (3230303223151), we get a palindrome (4743526253474).

The spelling of 1513223030323 in words is "one trillion, five hundred thirteen billion, two hundred twenty-three million, thirty thousand, three hundred twenty-three".