1323123130 has 32 divisors (see below), whose sum is σ = 2730485376. Its totient is φ = 452203584.

The previous prime is 1323123103. The next prime is 1323123133. The reversal of 1323123130 is 313213231.

It is a junction number, because it is equal to n+sod(n) for n = 1323123098 and 1323123107.

It is not an unprimeable number, because it can be changed into a prime (1323123133) 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 15 ways as a sum of consecutive naturals, for example, 7624 + ... + 52003.

It is an arithmetic number, because the mean of its divisors is an integer number (85327668).

Almost surely, 2^1323123130 is an apocalyptic number.

1323123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323123130 is an abundant number, since it is smaller than the sum of its proper divisors (1407362246).

1323123130 is a wasteful number, since it uses less digits than its factorization.

1323123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59958.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1323123130 is about 36374.7595181054. The cubic root of 1323123130 is about 1097.8257686633.

Adding to 1323123130 its reverse (313213231), we get a palindrome (1636336361).

The spelling of 1323123130 in words is "one billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty".