2123311032 has 48 divisors (see below), whose sum is σ = 5753933640. Its totient is φ = 707364288.

The previous prime is 2123311031. The next prime is 2123311049. The reversal of 2123311032 is 2301133212.

It is a super-2 number, since 2×2123311032² = 9016899477225810048, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2123310996 and 2123311014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123311031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134583 + ... + 149529.

Almost surely, 2^2123311032 is an apocalyptic number.

It is an amenable number.

2123311032 is an abundant number, since it is smaller than the sum of its proper divisors (3630622608).

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

2123311032 is a wasteful number, since it uses less digits than its factorization.

2123311032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16932 (or 16925 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123311032 is about 46079.3992148335. The cubic root of 2123311032 is about 1285.3000923172.

Adding to 2123311032 its reverse (2301133212), we get a palindrome (4424444244).

The spelling of 2123311032 in words is "two billion, one hundred twenty-three million, three hundred eleven thousand, thirty-two".