2123445233232 has 120 divisors (see below), whose sum is σ = 6114228742440. Its totient is φ = 687535349760.

The previous prime is 2123445233197. The next prime is 2123445233251. The reversal of 2123445233232 is 2323325443212.

2123445233232 is a `hidden beast` number, since 2 + 1 + 2 + 344 + 52 + 33 + 232 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 203180971536 + 1920264261696 = 450756^2 + 1385736^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 566728 + ... + 2137304.

It is an arithmetic number, because the mean of its divisors is an integer number (50951906187).

Almost surely, 2^{2123445233232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123445233232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057114371220).

2123445233232 is an abundant number, since it is smaller than the sum of its proper divisors (3990783509208).

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

2123445233232 is a wasteful number, since it uses less digits than its factorization.

2123445233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570861 (or 1570852 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

The spelling of 2123445233232 in words is "two trillion, one hundred twenty-three billion, four hundred forty-five million, two hundred thirty-three thousand, two hundred thirty-two".