2123311132 has 24 divisors (see below), whose sum is σ = 3755228400. Its totient is φ = 1050422016.

The previous prime is 2123311111. The next prime is 2123311189. The reversal of 2123311132 is 2311133212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275994 + ... + 283582.

It is an arithmetic number, because the mean of its divisors is an integer number (156467850).

Almost surely, 2^2123311132 is an apocalyptic number.

It is an amenable number.

2123311132 is a deficient number, since it is larger than the sum of its proper divisors (1631917268).

2123311132 is a wasteful number, since it uses less digits than its factorization.

2123311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325 (or 8323 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2123311132 is about 46079.4002999171. The cubic root of 2123311132 is about 1285.3001124948.

Adding to 2123311132 its reverse (2311133212), we get a palindrome (4434444344).

The spelling of 2123311132 in words is "two billion, one hundred twenty-three million, three hundred eleven thousand, one hundred thirty-two".