1323149316 has 24 divisors (see below), whose sum is σ = 3186941184. Its totient is φ = 426822240.

The previous prime is 1323149279. The next prime is 1323149329. The reversal of 1323149316 is 6139413231.

It is a happy number.

It is a super-2 number, since 2×1323149316² = 3501448224862535712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778055 + ... + 1778798.

It is an arithmetic number, because the mean of its divisors is an integer number (132789216).

Almost surely, 2^1323149316 is an apocalyptic number.

It is an amenable number.

1323149316 is an abundant number, since it is smaller than the sum of its proper divisors (1863791868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323149316 is a wasteful number, since it uses less digits than its factorization.

1323149316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556891 (or 3556889 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1323149316 is about 36375.1194637214. The cubic root of 1323149316 is about 1097.8330109916.

The spelling of 1323149316 in words is "one billion, three hundred twenty-three million, one hundred forty-nine thousand, three hundred sixteen".