2131632923 has 16 divisors (see below), whose sum is σ = 2484410880. Its totient is φ = 1791222336.

The previous prime is 2131632911. The next prime is 2131632947. The reversal of 2131632923 is 3292361312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131632923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131632923.

It is not an unprimeable number, because it can be changed into a prime (2131632523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72848 + ... + 97826.

It is an arithmetic number, because the mean of its divisors is an integer number (155275680).

Almost surely, 2^2131632923 is an apocalyptic number.

2131632923 is a deficient number, since it is larger than the sum of its proper divisors (352777957).

2131632923 is a wasteful number, since it uses less digits than its factorization.

2131632923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25226.

The product of its digits is 11664, while the sum is 32.

The square root of 2131632923 is about 46169.6103838878. The cubic root of 2131632923 is about 1286.9770618682.

The spelling of 2131632923 in words is "two billion, one hundred thirty-one million, six hundred thirty-two thousand, nine hundred twenty-three".