323853228040 has 32 divisors (see below), whose sum is σ = 728773479000. Its totient is φ = 129522852864.

The previous prime is 323853228029. The next prime is 323853228067. The reversal of 323853228040 is 40822358323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 219085780356 + 104767447684 = 468066^2 + 323678^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 323853227984 and 323853228002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289905 + ... + 855424.

Almost surely, 2^323853228040 is an apocalyptic number.

It is an amenable number.

323853228040 is an abundant number, since it is smaller than the sum of its proper divisors (404920250960).

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

323853228040 is a wasteful number, since it uses less digits than its factorization.

323853228040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152409 (or 1152405 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 323853228040 in words is "three hundred twenty-three billion, eight hundred fifty-three million, two hundred twenty-eight thousand, forty".