323803868436 has 48 divisors (see below), whose sum is σ = 841869772800. Its totient is φ = 107628846336.

The previous prime is 323803868431. The next prime is 323803868459. The reversal of 323803868436 is 634868308323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323803868431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4208596 + ... + 4284843.

It is an arithmetic number, because the mean of its divisors is an integer number (17538953600).

Almost surely, 2^323803868436 is an apocalyptic number.

323803868436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

323803868436 is an abundant number, since it is smaller than the sum of its proper divisors (518065904364).

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

323803868436 is a wasteful number, since it uses less digits than its factorization.

323803868436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493805 (or 8493797 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 323803868436 in words is "three hundred twenty-three billion, eight hundred three million, eight hundred sixty-eight thousand, four hundred thirty-six".