323138425000 has 96 divisors (see below), whose sum is σ = 775780581240. Its totient is φ = 126102400000.

The previous prime is 323138424953. The next prime is 323138425031. The reversal of 323138425000 is 524831323.

It can be written as a sum of positive squares in 12 ways, for example, as 194158321956 + 128980103044 = 440634^2 + 359138^2 .

It is a super-2 number, since 2×323138425000² (a number of 24 digits) contains 22 as substring.

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, 867372 + ... + 1182628.

Almost surely, 2^323138425000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323138425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387890290620).

323138425000 is an abundant number, since it is smaller than the sum of its proper divisors (452642156240).

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

323138425000 is an equidigital number, since it uses as much as digits as its factorization.

323138425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315329 (or 315305 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 323138425000 in words is "three hundred twenty-three billion, one hundred thirty-eight million, four hundred twenty-five thousand".