2123333568 has 112 divisors (see below), whose sum is σ = 6258885120. Its totient is φ = 705888000.

The previous prime is 2123333557. The next prime is 2123333591. The reversal of 2123333568 is 8653333212.

It is a super-2 number, since 2×2123333568² = 9017090881991221248, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 743343 + ... + 746193.

Almost surely, 2^2123333568 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 2123333568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129442560).

2123333568 is an abundant number, since it is smaller than the sum of its proper divisors (4135551552).

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

2123333568 is a wasteful number, since it uses less digits than its factorization.

2123333568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3287 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 2123333568 is about 46079.6437486229. The cubic root of 2123333568 is about 1285.3046395267.

The spelling of 2123333568 in words is "two billion, one hundred twenty-three million, three hundred thirty-three thousand, five hundred sixty-eight".