1323111430 has 16 divisors (see below), whose sum is σ = 2390393664. Its totient is φ = 527290560.

The previous prime is 1323111359. The next prime is 1323111437. The reversal of 1323111430 is 341113231.

It is a junction number, because it is equal to n+sod(n) for n = 1323111398 and 1323111407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323111437) 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, 241407 + ... + 246826.

It is an arithmetic number, because the mean of its divisors is an integer number (149399604).

Almost surely, 2^1323111430 is an apocalyptic number.

1323111430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323111430 is a deficient number, since it is larger than the sum of its proper divisors (1067282234).

1323111430 is a wasteful number, since it uses less digits than its factorization.

1323111430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488511.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1323111430 is about 36374.5986919444. The cubic root of 1323111430 is about 1097.8225327339.

Adding to 1323111430 its reverse (341113231), we get a palindrome (1664224661).

The spelling of 1323111430 in words is "one billion, three hundred twenty-three million, one hundred eleven thousand, four hundred thirty".