323023611540 has 96 divisors (see below), whose sum is σ = 1047835595520. Its totient is φ = 72822537216.

The previous prime is 323023611529. The next prime is 323023611557. The reversal of 323023611540 is 45116320323.

It is a super-2 number, since 2×323023611540² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 323023611498 and 323023611507.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5237175 + ... + 5298494.

It is an arithmetic number, because the mean of its divisors is an integer number (10914954120).

Almost surely, 2^323023611540 is an apocalyptic number.

323023611540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323023611540 is an abundant number, since it is smaller than the sum of its proper divisors (724811983980).

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

323023611540 is a wasteful number, since it uses less digits than its factorization.

323023611540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535761 (or 10535759 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 323023611540 its reverse (45116320323), we get a palindrome (368139931863).

The spelling of 323023611540 in words is "three hundred twenty-three billion, twenty-three million, six hundred eleven thousand, five hundred forty".