1323142432 has 24 divisors (see below), whose sum is σ = 2606310000. Its totient is φ = 661222464.

The previous prime is 1323142421. The next prime is 1323142451. The reversal of 1323142432 is 2342413231.

It is a junction number, because it is equal to n+sod(n) for n = 1323142397 and 1323142406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57319 + ... + 77017.

It is an arithmetic number, because the mean of its divisors is an integer number (108596250).

Almost surely, 2^1323142432 is an apocalyptic number.

It is an amenable number.

1323142432 is a deficient number, since it is larger than the sum of its proper divisors (1283167568).

1323142432 is a wasteful number, since it uses less digits than its factorization.

1323142432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21808 (or 21800 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1323142432 is about 36375.0248384795. The cubic root of 1323142432 is about 1097.8311070755.

Adding to 1323142432 its reverse (2342413231), we get a palindrome (3665555663).

The spelling of 1323142432 in words is "one billion, three hundred twenty-three million, one hundred forty-two thousand, four hundred thirty-two".