231002203223000 has 256 divisors, whose sum is σ = 606887315274240. Its totient is φ = 81573003456000.

The previous prime is 231002203222943. The next prime is 231002203223039. The reversal of 231002203223000 is 322302200132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80417507 + ... + 83240493.

It is an arithmetic number, because the mean of its divisors is an integer number (2370653575290).

Almost surely, 2^{231002203223000} is an apocalyptic number.

231002203223000 is a gapful number since it is divisible by the number (20) 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 231002203223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303443657637120).

231002203223000 is an abundant number, since it is smaller than the sum of its proper divisors (375885112051240).

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

231002203223000 is a wasteful number, since it uses less digits than its factorization.

231002203223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823235 (or 2823221 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 231002203223000 its reverse (322302200132), we get a palindrome (231324505423132).

The spelling of 231002203223000 in words is "two hundred thirty-one trillion, two billion, two hundred three million, two hundred twenty-three thousand".