1323412123 has 4 divisors (see below), whose sum is σ = 1443722328. Its totient is φ = 1203101920.

The previous prime is 1323412099. The next prime is 1323412127. The reversal of 1323412123 is 3212143231.

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 1323412123 - 2⁵ = 1323412091 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323412094 and 1323412103.

It is not an unprimeable number, because it can be changed into a prime (1323412127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60155086 + ... + 60155107.

It is an arithmetic number, because the mean of its divisors is an integer number (360930582).

Almost surely, 2^1323412123 is an apocalyptic number.

1323412123 is a deficient number, since it is larger than the sum of its proper divisors (120310205).

1323412123 is a wasteful number, since it uses less digits than its factorization.

1323412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120310204.

The product of its digits is 864, while the sum is 22.

The square root of 1323412123 is about 36378.7317398504. The cubic root of 1323412123 is about 1097.9056908967.

Adding to 1323412123 its reverse (3212143231), we get a palindrome (4535555354).

The spelling of 1323412123 in words is "one billion, three hundred twenty-three million, four hundred twelve thousand, one hundred twenty-three".