1323249442 has 16 divisors (see below), whose sum is σ = 2000355840. Its totient is φ = 656484192.

The previous prime is 1323249407. The next prime is 1323249443. The reversal of 1323249442 is 2449423231.

It is a super-2 number, since 2×1323249442² = 3501978171506622728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323249398 and 1323249407.

It is not an unprimeable number, because it can be changed into a prime (1323249443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134859 + ... + 144337.

It is an arithmetic number, because the mean of its divisors is an integer number (125022240).

Almost surely, 2^1323249442 is an apocalyptic number.

1323249442 is a deficient number, since it is larger than the sum of its proper divisors (677106398).

1323249442 is a wasteful number, since it uses less digits than its factorization.

1323249442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017.

The product of its digits is 41472, while the sum is 34.

The square root of 1323249442 is about 36376.4957355708. The cubic root of 1323249442 is about 1097.8607022113.

The spelling of 1323249442 in words is "one billion, three hundred twenty-three million, two hundred forty-nine thousand, four hundred forty-two".