323042989860 has 144 divisors (see below), whose sum is σ = 1019862357696. Its totient is φ = 85833447552.

The previous prime is 323042989831. The next prime is 323042989897. The reversal of 323042989860 is 68989240323.

It is a happy number.

323042989860 is a `hidden beast` number, since 32 + 30 + 429 + 89 + 86 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 323042989797 and 323042989806.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1226239 + ... + 1466201.

It is an arithmetic number, because the mean of its divisors is an integer number (7082377484).

Almost surely, 2^323042989860 is an apocalyptic number.

323042989860 is a gapful number since it is divisible by the number (30) 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 323042989860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509931178848).

323042989860 is an abundant number, since it is smaller than the sum of its proper divisors (696819367836).

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

323042989860 is a wasteful number, since it uses less digits than its factorization.

323042989860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240264 (or 240250 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 323042989860 in words is "three hundred twenty-three billion, forty-two million, nine hundred eighty-nine thousand, eight hundred sixty".