1323154642 has 32 divisors (see below), whose sum is σ = 2218510080. Its totient is φ = 588176640.

The previous prime is 1323154589. The next prime is 1323154643. The reversal of 1323154642 is 2464513231.

It is a super-2 number, since 2×1323154642² = 3501476413292296328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323154643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234292 + ... + 239872.

It is an arithmetic number, because the mean of its divisors is an integer number (69328440).

Almost surely, 2^1323154642 is an apocalyptic number.

1323154642 is a deficient number, since it is larger than the sum of its proper divisors (895355438).

1323154642 is a wasteful number, since it uses less digits than its factorization.

1323154642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986.

The product of its digits is 17280, while the sum is 31.

The square root of 1323154642 is about 36375.1926730292. The cubic root of 1323154642 is about 1097.8344840051.

Adding to 1323154642 its reverse (2464513231), we get a palindrome (3787667873).

The spelling of 1323154642 in words is "one billion, three hundred twenty-three million, one hundred fifty-four thousand, six hundred forty-two".