2321012232 has 320 divisors, whose sum is σ = 8181613440. Its totient is φ = 597196800.

The previous prime is 2321012209. The next prime is 2321012251. The reversal of 2321012232 is 2322101232.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9031048 + ... + 9031304.

It is an arithmetic number, because the mean of its divisors is an integer number (25567542).

Almost surely, 2^2321012232 is an apocalyptic number.

2321012232 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 2321012232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4090806720).

2321012232 is an abundant number, since it is smaller than the sum of its proper divisors (5860601208).

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

2321012232 is a wasteful number, since it uses less digits than its factorization.

2321012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2321012232 is about 48176.8848307983. The cubic root of 2321012232 is about 1324.0136923828.

Adding to 2321012232 its reverse (2322101232), we get a palindrome (4643113464).

The spelling of 2321012232 in words is "two billion, three hundred twenty-one million, twelve thousand, two hundred thirty-two".