1323142312 has 32 divisors (see below), whose sum is σ = 2526422400. Its totient is φ = 649540864.

The previous prime is 1323142291. The next prime is 1323142333. The reversal of 1323142312 is 2132413231.

It is an interprime number because it is at equal distance from previous prime (1323142291) and next prime (1323142333).

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, 89889 + ... + 103567.

It is an arithmetic number, because the mean of its divisors is an integer number (78950700).

Almost surely, 2^1323142312 is an apocalyptic number.

It is an amenable number.

1323142312 is a deficient number, since it is larger than the sum of its proper divisors (1203280088).

1323142312 is a wasteful number, since it uses less digits than its factorization.

1323142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13905 (or 13901 counting only the distinct ones).

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

The square root of 1323142312 is about 36375.0231889960. The cubic root of 1323142312 is about 1097.8310738869.

Adding to 1323142312 its reverse (2132413231), we get a palindrome (3455555543).

The spelling of 1323142312 in words is "one billion, three hundred twenty-three million, one hundred forty-two thousand, three hundred twelve".