2123133132 has 24 divisors (see below), whose sum is σ = 4959268272. Its totient is φ = 706955200.

The previous prime is 2123133109. The next prime is 2123133139. The reversal of 2123133132 is 2313313212.

It is a super-2 number, since 2×2123133132² = 9015388592392258848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2123133099 and 2123133108.

It is not an unprimeable number, because it can be changed into a prime (2123133139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82719 + ... + 105302.

It is an arithmetic number, because the mean of its divisors is an integer number (206636178).

Almost surely, 2^2123133132 is an apocalyptic number.

It is an amenable number.

2123133132 is an abundant number, since it is smaller than the sum of its proper divisors (2836135140).

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

2123133132 is a wasteful number, since it uses less digits than its factorization.

2123133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188969 (or 188967 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2123133132 is about 46077.4688106888. The cubic root of 2123133132 is about 1285.2641953511.

Adding to 2123133132 its reverse (2313313212), we get a palindrome (4436446344).

The spelling of 2123133132 in words is "two billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-two".