323011231020 has 72 divisors (see below), whose sum is σ = 980166576480. Its totient is φ = 86104166400.

The previous prime is 323011231009. The next prime is 323011231031. The reversal of 323011231020 is 20132110323.

323011231020 is a `hidden beast` number, since 32 + 301 + 1 + 2 + 310 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (323011231009) and next prime (323011231031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 323011230984 and 323011231002.

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, 150345 + ... + 817695.

Almost surely, 2^323011231020 is an apocalyptic number.

323011231020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323011231020 is an abundant number, since it is smaller than the sum of its proper divisors (657155345460).

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

323011231020 is a wasteful number, since it uses less digits than its factorization.

323011231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670055 (or 670050 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 323011231020 its reverse (20132110323), we get a palindrome (343143341343).

The spelling of 323011231020 in words is "three hundred twenty-three billion, eleven million, two hundred thirty-one thousand, twenty".