231023233200030 has 128 divisors (see below), whose sum is σ = 567532559784960. Its totient is φ = 60169690183680.

The previous prime is 231023233200007. The next prime is 231023233200037. The reversal of 231023233200030 is 30002332320132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231023233200037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1241319942 + ... + 1241506038.

It is an arithmetic number, because the mean of its divisors is an integer number (4433848123320).

Almost surely, 2^{231023233200030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231023233200030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283766279892480).

231023233200030 is an abundant number, since it is smaller than the sum of its proper divisors (336509326584930).

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

231023233200030 is a wasteful number, since it uses less digits than its factorization.

231023233200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191634.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 231023233200030 its reverse (30002332320132), we get a palindrome (261025565520162).

The spelling of 231023233200030 in words is "two hundred thirty-one trillion, twenty-three billion, two hundred thirty-three million, two hundred thousand, thirty".