2132145823 has 2 divisors, whose sum is σ = 2132145824. Its totient is φ = 2132145822.

The previous prime is 2132145817. The next prime is 2132145853. The reversal of 2132145823 is 3285412312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132145823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132145853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066072911 + 1066072912.

It is an arithmetic number, because the mean of its divisors is an integer number (1066072912).

Almost surely, 2^2132145823 is an apocalyptic number.

2132145823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132145823 is an equidigital number, since it uses as much as digits as its factorization.

2132145823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 2132145823 is about 46175.1645692790. The cubic root of 2132145823 is about 1287.0802750110.

The spelling of 2132145823 in words is "two billion, one hundred thirty-two million, one hundred forty-five thousand, eight hundred twenty-three".