2123333632 has 64 divisors (see below), whose sum is σ = 4853784240. Its totient is φ = 909901824.

The previous prime is 2123333627. The next prime is 2123333671. The reversal of 2123333632 is 2363333212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2123333632² = 9017091425564622848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2123333632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224748 + ... + 234004.

Almost surely, 2^2123333632 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 2123333632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426892120).

2123333632 is an abundant number, since it is smaller than the sum of its proper divisors (2730450608).

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

2123333632 is an frugal number, since it uses more digits than its factorization.

2123333632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9294 (or 9266 counting only the distinct ones).

The product of its digits is 11664, while the sum is 28.

The square root of 2123333632 is about 46079.6444430727. The cubic root of 2123333632 is about 1285.3046524403.

Adding to 2123333632 its reverse (2363333212), we get a palindrome (4486666844).

The spelling of 2123333632 in words is "two billion, one hundred twenty-three million, three hundred thirty-three thousand, six hundred thirty-two".