233020132312 has 64 divisors (see below), whose sum is σ = 490847040000. Its totient is φ = 102804823680.

The previous prime is 233020132307. The next prime is 233020132337. The reversal of 233020132312 is 213231020332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126114 + ... + 694222.

It is an arithmetic number, because the mean of its divisors is an integer number (7669485000).

Almost surely, 2^233020132312 is an apocalyptic number.

233020132312 is a gapful number since it is divisible by the number (22) 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 233020132312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245423520000).

233020132312 is an abundant number, since it is smaller than the sum of its proper divisors (257826907688).

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

233020132312 is a wasteful number, since it uses less digits than its factorization.

233020132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568264 (or 568260 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 233020132312 its reverse (213231020332), we get a palindrome (446251152644).

The spelling of 233020132312 in words is "two hundred thirty-three billion, twenty million, one hundred thirty-two thousand, three hundred twelve".