1323334656 has 264 divisors, whose sum is σ = 4442546784. Its totient is φ = 371589120.

The previous prime is 1323334577. The next prime is 1323334697. The reversal of 1323334656 is 6564333231.

It is a super-2 number, since 2×1323334656² = 3502429223541276672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1323334656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4709236 + ... + 4709516.

Almost surely, 2^1323334656 is an apocalyptic number.

1323334656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323334656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221273392).

1323334656 is an abundant number, since it is smaller than the sum of its proper divisors (3119212128).

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

1323334656 is a wasteful number, since it uses less digits than its factorization.

1323334656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 366 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 1323334656 is about 36377.6669950122. Note that the first 3 decimals coincide. The cubic root of 1323334656 is about 1097.8842682125.

Adding to 1323334656 its reverse (6564333231), we get a palindrome (7887667887).

The spelling of 1323334656 in words is "one billion, three hundred twenty-three million, three hundred thirty-four thousand, six hundred fifty-six".