1323154613 has 4 divisors (see below), whose sum is σ = 1443441408. Its totient is φ = 1202867820.

The previous prime is 1323154589. The next prime is 1323154643. The reversal of 1323154613 is 3164513231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1323154613 - 2¹⁰ = 1323153589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323154643) 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, 60143381 + ... + 60143402.

It is an arithmetic number, because the mean of its divisors is an integer number (360860352).

Almost surely, 2^1323154613 is an apocalyptic number.

It is an amenable number.

1323154613 is a deficient number, since it is larger than the sum of its proper divisors (120286795).

1323154613 is a wasteful number, since it uses less digits than its factorization.

1323154613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120286794.

The product of its digits is 6480, while the sum is 29.

The square root of 1323154613 is about 36375.1922744059. The cubic root of 1323154613 is about 1097.8344759846.

Adding to 1323154613 its reverse (3164513231), we get a palindrome (4487667844).

The spelling of 1323154613 in words is "one billion, three hundred twenty-three million, one hundred fifty-four thousand, six hundred thirteen".