2123531552 has 12 divisors (see below), whose sum is σ = 4180702806. Its totient is φ = 1061765760.

The previous prime is 2123531551. The next prime is 2123531621. The reversal of 2123531552 is 2551353212.

It can be written as a sum of positive squares in only one way, i.e., 1533818896 + 589712656 = 39164^2 + 24284^2 .

It is not an unprimeable number, because it can be changed into a prime (2123531551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33180149 + ... + 33180212.

Almost surely, 2^2123531552 is an apocalyptic number.

It is an amenable number.

2123531552 is a deficient number, since it is larger than the sum of its proper divisors (2057171254).

2123531552 is an equidigital number, since it uses as much as digits as its factorization.

2123531552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66360371 (or 66360363 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 2123531552 is about 46081.7919790453. The cubic root of 2123531552 is about 1285.3445864368.

Adding to 2123531552 its reverse (2551353212), we get a palindrome (4674884764).

The spelling of 2123531552 in words is "two billion, one hundred twenty-three million, five hundred thirty-one thousand, five hundred fifty-two".